Finding the Fourth Proportional to 83,139.76, 114,733.48 and 45,414.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,139.76 : 114,733.48 = 45,414.96 : x
2. Step 2: Convert to fraction form
   83,139.76/114,733.48 = 45,414.96/x
3. Step 3: Cross multiply
   83,139.76x = 114,733.48 × 45,414.96
4. Step 4: Simplify right side
   83,139.76x = 5,210,616,404.86
5. Step 5: Solve for x
   x = 5,210,616,404.86/83,139.76
6. Step 6: Final answer
   x = 62,672.98