Finding the Fourth Proportional to 83,238.30, 114,869.30 and 45,512.55

Step by Step Solution

1. Step 1: Write the proportion equation
   83,238.30 : 114,869.30 = 45,512.55 : x
2. Step 2: Convert to fraction form
   83,238.30/114,869.30 = 45,512.55/x
3. Step 3: Cross multiply
   83,238.30x = 114,869.30 × 45,512.55
4. Step 4: Simplify right side
   83,238.30x = 5,227,994,532.15
5. Step 5: Solve for x
   x = 5,227,994,532.15/83,238.30
6. Step 6: Final answer
   x = 62,807.56