Finding the Fourth Proportional to 83,799.38, 115,645.42 and 45,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,799.38 : 115,645.42 = 45,561.50 : x
2. Step 2: Convert to fraction form
   83,799.38/115,645.42 = 45,561.50/x
3. Step 3: Cross multiply
   83,799.38x = 115,645.42 × 45,561.50
4. Step 4: Simplify right side
   83,799.38x = 5,268,978,803.33
5. Step 5: Solve for x
   x = 5,268,978,803.33/83,799.38
6. Step 6: Final answer
   x = 62,876.11