Finding the Fourth Proportional to 112,758.47, 155,568.06 and 64,325.60

Step by Step Solution

1. Step 1: Write the proportion equation
   112,758.47 : 155,568.06 = 64,325.60 : x
2. Step 2: Convert to fraction form
   112,758.47/155,568.06 = 64,325.60/x
3. Step 3: Cross multiply
   112,758.47x = 155,568.06 × 64,325.60
4. Step 4: Simplify right side
   112,758.47x = 10,007,008,800.34
5. Step 5: Solve for x
   x = 10,007,008,800.34/112,758.47
6. Step 6: Final answer
   x = 88,747.29