Finding the Fourth Proportional to 22,702,820.83, 31,329,884.12 and 12,389,543.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,702,820.83 : 31,329,884.12 = 12,389,543.93 : x
2. Step 2: Convert to fraction form
   22,702,820.83/31,329,884.12 = 12,389,543.93/x
3. Step 3: Cross multiply
   22,702,820.83x = 31,329,884.12 × 12,389,543.93
4. Step 4: Simplify right side
   22,702,820.83x = 388,162,975,407,952.25
5. Step 5: Solve for x
   x = 388,162,975,407,952.25/22,702,820.83
6. Step 6: Final answer
   x = 17,097,565.91