Finding the Fourth Proportional to 22,793,606.88, 31,455,062.64 and 12,480,142.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,793,606.88 : 31,455,062.64 = 12,480,142.56 : x
2. Step 2: Convert to fraction form
   22,793,606.88/31,455,062.64 = 12,480,142.56/x
3. Step 3: Cross multiply
   22,793,606.88x = 31,455,062.64 × 12,480,142.56
4. Step 4: Simplify right side
   22,793,606.88x = 392,563,665,980,930
5. Step 5: Solve for x
   x = 392,563,665,980,930/22,793,606.88
6. Step 6: Final answer
   x = 17,222,533.85