Finding the Fourth Proportional to 116,255.43, 160,427.02 and 64,575.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116,255.43 : 160,427.02 = 64,575.88 : x
2. Step 2: Convert to fraction form
   116,255.43/160,427.02 = 64,575.88/x
3. Step 3: Cross multiply
   116,255.43x = 160,427.02 × 64,575.88
4. Step 4: Simplify right side
   116,255.43x = 10,359,715,992.28
5. Step 5: Solve for x
   x = 10,359,715,992.28/116,255.43
6. Step 6: Final answer
   x = 89,111.67