Finding the Fourth Proportional to 31,619,852,748.72, 43,632,617,706.92 and 18,068,800,760.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,619,852,748.72 : 43,632,617,706.92 = 18,068,800,760.96 : x
2. Step 2: Convert to fraction form
   31,619,852,748.72/43,632,617,706.92 = 18,068,800,760.96/x
3. Step 3: Cross multiply
   31,619,852,748.72x = 43,632,617,706.92 × 18,068,800,760.96
4. Step 4: Simplify right side
   31,619,852,748.72x = 788,389,076,025,472,843,776
5. Step 5: Solve for x
   x = 788,389,076,025,472,843,776/31,619,852,748.72
6. Step 6: Final answer
   x = 24,933,356,973.25