Finding the Fourth Proportional to 12,580,987.52, 17,392,702.17 and 12,465,897.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,580,987.52 : 17,392,702.17 = 12,465,897.56 : x
2. Step 2: Convert to fraction form
   12,580,987.52/17,392,702.17 = 12,465,897.56/x
3. Step 3: Cross multiply
   12,580,987.52x = 17,392,702.17 × 12,465,897.56
4. Step 4: Simplify right side
   12,580,987.52x = 216,815,643,455,846.22
5. Step 5: Solve for x
   x = 216,815,643,455,846.22/12,580,987.52
6. Step 6: Final answer
   x = 17,233,594.99