Finding the Fourth Proportional to 22,145,429.35, 31,035,487.55 and 22,145,429.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,145,429.35 : 31,035,487.55 = 22,145,429.35 : x
2. Step 2: Convert to fraction form
   22,145,429.35/31,035,487.55 = 22,145,429.35/x
3. Step 3: Cross multiply
   22,145,429.35x = 31,035,487.55 × 22,145,429.35
4. Step 4: Simplify right side
   22,145,429.35x = 687,294,196,881,329.62
5. Step 5: Solve for x
   x = 687,294,196,881,329.62/22,145,429.35
6. Step 6: Final answer
   x = 31,035,487.55