Finding the Fourth Proportional to 83,543.34, 125,309.34 and 39,180

Step by Step Solution

1. Step 1: Write the proportion equation
   83,543.34 : 125,309.34 = 39,180 : x
2. Step 2: Convert to fraction form
   83,543.34/125,309.34 = 39,180/x
3. Step 3: Cross multiply
   83,543.34x = 125,309.34 × 39,180
4. Step 4: Simplify right side
   83,543.34x = 4,909,619,941.20
5. Step 5: Solve for x
   x = 4,909,619,941.20/83,543.34
6. Step 6: Final answer
   x = 58,767.34