Finding the Fourth Proportional to 83,691.72, 115,494.12 and 45,450.92

Step by Step Solution

1. Step 1: Write the proportion equation
   83,691.72 : 115,494.12 = 45,450.92 : x
2. Step 2: Convert to fraction form
   83,691.72/115,494.12 = 45,450.92/x
3. Step 3: Cross multiply
   83,691.72x = 115,494.12 × 45,450.92
4. Step 4: Simplify right side
   83,691.72x = 5,249,314,008.59
5. Step 5: Solve for x
   x = 5,249,314,008.59/83,691.72
6. Step 6: Final answer
   x = 62,722.02