Finding the Fourth Proportional to 115,110.15, 158,851.56 and 64,123.47

Step by Step Solution

1. Step 1: Write the proportion equation
   115,110.15 : 158,851.56 = 64,123.47 : x
2. Step 2: Convert to fraction form
   115,110.15/158,851.56 = 64,123.47/x
3. Step 3: Cross multiply
   115,110.15x = 158,851.56 × 64,123.47
4. Step 4: Simplify right side
   115,110.15x = 10,186,113,242.11
5. Step 5: Solve for x
   x = 10,186,113,242.11/115,110.15
6. Step 6: Final answer
   x = 88,490.14