Finding the Fourth Proportional to 10,430,061.30, 15,626,429.55 and 8,937,069.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,430,061.30 : 15,626,429.55 = 8,937,069.30 : x
2. Step 2: Convert to fraction form
   10,430,061.30/15,626,429.55 = 8,937,069.30/x
3. Step 3: Cross multiply
   10,430,061.30x = 15,626,429.55 × 8,937,069.30
4. Step 4: Simplify right side
   10,430,061.30x = 139,654,483,799,917.83
5. Step 5: Solve for x
   x = 139,654,483,799,917.83/10,430,061.30
6. Step 6: Final answer
   x = 13,389,612.95