Finding the Fourth Proportional to 112,221.86, 154,758.06 and 75,510.77

Step by Step Solution

1. Step 1: Write the proportion equation
   112,221.86 : 154,758.06 = 75,510.77 : x
2. Step 2: Convert to fraction form
   112,221.86/154,758.06 = 75,510.77/x
3. Step 3: Cross multiply
   112,221.86x = 154,758.06 × 75,510.77
4. Step 4: Simplify right side
   112,221.86x = 11,685,899,500.52
5. Step 5: Solve for x
   x = 11,685,899,500.52/112,221.86
6. Step 6: Final answer
   x = 104,132.12