Finding the Fourth Proportional to 83,507.76, 115,247.96 and 45,789.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,507.76 : 115,247.96 = 45,789.30 : x
2. Step 2: Convert to fraction form
   83,507.76/115,247.96 = 45,789.30/x
3. Step 3: Cross multiply
   83,507.76x = 115,247.96 × 45,789.30
4. Step 4: Simplify right side
   83,507.76x = 5,277,123,414.83
5. Step 5: Solve for x
   x = 5,277,123,414.83/83,507.76
6. Step 6: Final answer
   x = 63,193.21