Finding the Fourth Proportional to 82,891.23, 124,373.59 and 43,438.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,891.23 : 124,373.59 = 43,438.96 : x
2. Step 2: Convert to fraction form
   82,891.23/124,373.59 = 43,438.96/x
3. Step 3: Cross multiply
   82,891.23x = 124,373.59 × 43,438.96
4. Step 4: Simplify right side
   82,891.23x = 5,402,659,401.07
5. Step 5: Solve for x
   x = 5,402,659,401.07/82,891.23
6. Step 6: Final answer
   x = 65,177.70