Finding the Fourth Proportional to 112,541.58, 155,290.14 and 64,785.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,541.58 : 155,290.14 = 64,785.69 : x
2. Step 2: Convert to fraction form
   112,541.58/155,290.14 = 64,785.69/x
3. Step 3: Cross multiply
   112,541.58x = 155,290.14 × 64,785.69
4. Step 4: Simplify right side
   112,541.58x = 10,060,578,870.10
5. Step 5: Solve for x
   x = 10,060,578,870.10/112,541.58
6. Step 6: Final answer
   x = 89,394.33