Finding the Fourth Proportional to 22,749,108.04, 31,393,978.14 and 12,959,407.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,749,108.04 : 31,393,978.14 = 12,959,407.32 : x
2. Step 2: Convert to fraction form
   22,749,108.04/31,393,978.14 = 12,959,407.32/x
3. Step 3: Cross multiply
   22,749,108.04x = 31,393,978.14 × 12,959,407.32
4. Step 4: Simplify right side
   22,749,108.04x = 406,847,350,111,436
5. Step 5: Solve for x
   x = 406,847,350,111,436/22,749,108.04
6. Step 6: Final answer
   x = 17,884,101.19