Finding the Fourth Proportional to 10,357.86, 15,525.78 and 7,062.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.86 : 15,525.78 = 7,062.78 : x
2. Step 2: Convert to fraction form
   10,357.86/15,525.78 = 7,062.78/x
3. Step 3: Cross multiply
   10,357.86x = 15,525.78 × 7,062.78
4. Step 4: Simplify right side
   10,357.86x = 109,655,168.47
5. Step 5: Solve for x
   x = 109,655,168.47/10,357.86
6. Step 6: Final answer
   x = 10,586.66