Finding the Fourth Proportional to 112,549.58, 155,301.18 and 64,793.70

Step by Step Solution

1. Step 1: Write the proportion equation
   112,549.58 : 155,301.18 = 64,793.70 : x
2. Step 2: Convert to fraction form
   112,549.58/155,301.18 = 64,793.70/x
3. Step 3: Cross multiply
   112,549.58x = 155,301.18 × 64,793.70
4. Step 4: Simplify right side
   112,549.58x = 10,062,538,066.57
5. Step 5: Solve for x
   x = 10,062,538,066.57/112,549.58
6. Step 6: Final answer
   x = 89,405.38