Finding the Fourth Proportional to 115,130.46, 158,891.71 and 64,151.49

Step by Step Solution

1. Step 1: Write the proportion equation
   115,130.46 : 158,891.71 = 64,151.49 : x
2. Step 2: Convert to fraction form
   115,130.46/158,891.71 = 64,151.49/x
3. Step 3: Cross multiply
   115,130.46x = 158,891.71 × 64,151.49
4. Step 4: Simplify right side
   115,130.46x = 10,193,139,945.15
5. Step 5: Solve for x
   x = 10,193,139,945.15/115,130.46
6. Step 6: Final answer
   x = 88,535.56