Finding the Fourth Proportional to 12,580,986.02, 17,392,700.09 and 12,465,896.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,580,986.02 : 17,392,700.09 = 12,465,896.05 : x
2. Step 2: Convert to fraction form
   12,580,986.02/17,392,700.09 = 12,465,896.05/x
3. Step 3: Cross multiply
   12,580,986.02x = 17,392,700.09 × 12,465,896.05
4. Step 4: Simplify right side
   12,580,986.02x = 216,815,591,403,671.28
5. Step 5: Solve for x
   x = 216,815,591,403,671.28/12,580,986.02
6. Step 6: Final answer
   x = 17,233,592.91