Finding the Fourth Proportional to 12,762,648.93, 17,607,436.49 and 7,859,358.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762,648.93 : 17,607,436.49 = 7,859,358.38 : x
2. Step 2: Convert to fraction form
   12,762,648.93/17,607,436.49 = 7,859,358.38/x
3. Step 3: Cross multiply
   12,762,648.93x = 17,607,436.49 × 7,859,358.38
4. Step 4: Simplify right side
   12,762,648.93x = 138,383,153,591,666.28
5. Step 5: Solve for x
   x = 138,383,153,591,666.28/12,762,648.93
6. Step 6: Final answer
   x = 10,842,823.80