Finding the Fourth Proportional to 115,032.45, 158,877.72 and 76,725.48

Step by Step Solution

1. Step 1: Write the proportion equation
   115,032.45 : 158,877.72 = 76,725.48 : x
2. Step 2: Convert to fraction form
   115,032.45/158,877.72 = 76,725.48/x
3. Step 3: Cross multiply
   115,032.45x = 158,877.72 × 76,725.48
4. Step 4: Simplify right side
   115,032.45x = 12,189,969,328.31
5. Step 5: Solve for x
   x = 12,189,969,328.31/115,032.45
6. Step 6: Final answer
   x = 105,969.83