Finding the Fourth Proportional to 9,719,521.58, 13,412,906.57 and 5,589,357.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719,521.58 : 13,412,906.57 = 5,589,357.72 : x
2. Step 2: Convert to fraction form
   9,719,521.58/13,412,906.57 = 5,589,357.72/x
3. Step 3: Cross multiply
   9,719,521.58x = 13,412,906.57 × 5,589,357.72
4. Step 4: Simplify right side
   9,719,521.58x = 74,969,532,856,721.42
5. Step 5: Solve for x
   x = 74,969,532,856,721.42/9,719,521.58
6. Step 6: Final answer
   x = 7,713,294.56