Finding the Fourth Proportional to 83,590.84, 115,350.78 and 45,862.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,590.84 : 115,350.78 = 45,862.12 : x
2. Step 2: Convert to fraction form
   83,590.84/115,350.78 = 45,862.12/x
3. Step 3: Cross multiply
   83,590.84x = 115,350.78 × 45,862.12
4. Step 4: Simplify right side
   83,590.84x = 5,290,231,314.45
5. Step 5: Solve for x
   x = 5,290,231,314.45/83,590.84
6. Step 6: Final answer
   x = 63,287.21