Finding the Fourth Proportional to 10,071.59, 15,041.52 and 8,574.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.59 : 15,041.52 = 8,574.86 : x
2. Step 2: Convert to fraction form
   10,071.59/15,041.52 = 8,574.86/x
3. Step 3: Cross multiply
   10,071.59x = 15,041.52 × 8,574.86
4. Step 4: Simplify right side
   10,071.59x = 128,978,852.98
5. Step 5: Solve for x
   x = 128,978,852.98/10,071.59
6. Step 6: Final answer
   x = 12,806.21