Finding the Fourth Proportional to 22,510,053.16, 31,064,226.06 and 13,217,828.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,510,053.16 : 31,064,226.06 = 13,217,828.72 : x
2. Step 2: Convert to fraction form
   22,510,053.16/31,064,226.06 = 13,217,828.72/x
3. Step 3: Cross multiply
   22,510,053.16x = 31,064,226.06 × 13,217,828.72
4. Step 4: Simplify right side
   22,510,053.16x = 410,601,619,380,440.44
5. Step 5: Solve for x
   x = 410,601,619,380,440.44/22,510,053.16
6. Step 6: Final answer
   x = 18,240,810.74