Finding the Fourth Proportional to 22,861,631.57, 31,544,981.42 and 12,938,467.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,861,631.57 : 31,544,981.42 = 12,938,467.37 : x
2. Step 2: Convert to fraction form
   22,861,631.57/31,544,981.42 = 12,938,467.37/x
3. Step 3: Cross multiply
   22,861,631.57x = 31,544,981.42 × 12,938,467.37
4. Step 4: Simplify right side
   22,861,631.57x = 408,143,712,567,509
5. Step 5: Solve for x
   x = 408,143,712,567,509/22,861,631.57
6. Step 6: Final answer
   x = 17,852,781.48