Finding the Fourth Proportional to 112,854.77, 155,750.72 and 64,463.93

Step by Step Solution

1. Step 1: Write the proportion equation
   112,854.77 : 155,750.72 = 64,463.93 : x
2. Step 2: Convert to fraction form
   112,854.77/155,750.72 = 64,463.93/x
3. Step 3: Cross multiply
   112,854.77x = 155,750.72 × 64,463.93
4. Step 4: Simplify right side
   112,854.77x = 10,040,303,511.53
5. Step 5: Solve for x
   x = 10,040,303,511.53/112,854.77
6. Step 6: Final answer
   x = 88,966.59