Finding the Fourth Proportional to 10,558.77, 14,561.15 and 7,875.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,558.77 : 14,561.15 = 7,875.92 : x
2. Step 2: Convert to fraction form
   10,558.77/14,561.15 = 7,875.92/x
3. Step 3: Cross multiply
   10,558.77x = 14,561.15 × 7,875.92
4. Step 4: Simplify right side
   10,558.77x = 114,682,340.32
5. Step 5: Solve for x
   x = 114,682,340.32/10,558.77
6. Step 6: Final answer
   x = 10,861.34