Finding the Fourth Proportional to 83,465.88, 125,143.23 and 43,386.37

Step by Step Solution

1. Step 1: Write the proportion equation
   83,465.88 : 125,143.23 = 43,386.37 : x
2. Step 2: Convert to fraction form
   83,465.88/125,143.23 = 43,386.37/x
3. Step 3: Cross multiply
   83,465.88x = 125,143.23 × 43,386.37
4. Step 4: Simplify right side
   83,465.88x = 5,429,510,085.57
5. Step 5: Solve for x
   x = 5,429,510,085.57/83,465.88
6. Step 6: Final answer
   x = 65,050.66