Finding the Fourth Proportional to 83,215.57, 114,837.33 and 45,489.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,215.57 : 114,837.33 = 45,489.82 : x
2. Step 2: Convert to fraction form
   83,215.57/114,837.33 = 45,489.82/x
3. Step 3: Cross multiply
   83,215.57x = 114,837.33 × 45,489.82
4. Step 4: Simplify right side
   83,215.57x = 5,223,929,470.98
5. Step 5: Solve for x
   x = 5,223,929,470.98/83,215.57
6. Step 6: Final answer
   x = 62,775.87