Finding the Fourth Proportional to 115,118.27, 158,860.82 and 64,130.93

Step by Step Solution

1. Step 1: Write the proportion equation
   115,118.27 : 158,860.82 = 64,130.93 : x
2. Step 2: Convert to fraction form
   115,118.27/158,860.82 = 64,130.93/x
3. Step 3: Cross multiply
   115,118.27x = 158,860.82 × 64,130.93
4. Step 4: Simplify right side
   115,118.27x = 10,187,892,684.64
5. Step 5: Solve for x
   x = 10,187,892,684.64/115,118.27
6. Step 6: Final answer
   x = 88,499.35