Finding the Fourth Proportional to 83,417.28, 115,114.74 and 45,691.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,417.28 : 115,114.74 = 45,691.56 : x
2. Step 2: Convert to fraction form
   83,417.28/115,114.74 = 45,691.56/x
3. Step 3: Cross multiply
   83,417.28x = 115,114.74 × 45,691.56
4. Step 4: Simplify right side
   83,417.28x = 5,259,772,049.59
5. Step 5: Solve for x
   x = 5,259,772,049.59/83,417.28
6. Step 6: Final answer
   x = 63,053.75