Finding the Fourth Proportional to 9,058,799.25, 12,497,023.71 and 5,385,631.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058,799.25 : 12,497,023.71 = 5,385,631.61 : x
2. Step 2: Convert to fraction form
   9,058,799.25/12,497,023.71 = 5,385,631.61/x
3. Step 3: Cross multiply
   9,058,799.25x = 12,497,023.71 × 5,385,631.61
4. Step 4: Simplify right side
   9,058,799.25x = 67,304,365,954,738.03
5. Step 5: Solve for x
   x = 67,304,365,954,738.03/9,058,799.25
6. Step 6: Final answer
   x = 7,429,722.65