Finding the Fourth Proportional to 47,619,389.90, 65,728,743.46 and 31,102,039.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,619,389.90 : 65,728,743.46 = 31,102,039.56 : x
2. Step 2: Convert to fraction form
   47,619,389.90/65,728,743.46 = 31,102,039.56/x
3. Step 3: Cross multiply
   47,619,389.90x = 65,728,743.46 × 31,102,039.56
4. Step 4: Simplify right side
   47,619,389.90x = 2,044,297,979,322,011.25
5. Step 5: Solve for x
   x = 2,044,297,979,322,011.25/47,619,389.90
6. Step 6: Final answer
   x = 42,929,948.99