Finding the Fourth Proportional to 10,342.56, 15,507.98 and 7,059.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,342.56 : 15,507.98 = 7,059.64 : x
2. Step 2: Convert to fraction form
   10,342.56/15,507.98 = 7,059.64/x
3. Step 3: Cross multiply
   10,342.56x = 15,507.98 × 7,059.64
4. Step 4: Simplify right side
   10,342.56x = 109,480,755.93
5. Step 5: Solve for x
   x = 109,480,755.93/10,342.56
6. Step 6: Final answer
   x = 10,585.46