Finding the Fourth Proportional to 83,435.52, 115,142.72 and 45,707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,435.52 : 115,142.72 = 45,707.52 : x
2. Step 2: Convert to fraction form
   83,435.52/115,142.72 = 45,707.52/x
3. Step 3: Cross multiply
   83,435.52x = 115,142.72 × 45,707.52
4. Step 4: Simplify right side
   83,435.52x = 5,262,888,177.25
5. Step 5: Solve for x
   x = 5,262,888,177.25/83,435.52
6. Step 6: Final answer
   x = 63,077.31