Finding the Fourth Proportional to 82,749.90, 124,176.15 and 43,335.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,749.90 : 124,176.15 = 43,335.30 : x
2. Step 2: Convert to fraction form
   82,749.90/124,176.15 = 43,335.30/x
3. Step 3: Cross multiply
   82,749.90x = 124,176.15 × 43,335.30
4. Step 4: Simplify right side
   82,749.90x = 5,381,210,713.10
5. Step 5: Solve for x
   x = 5,381,210,713.10/82,749.90
6. Step 6: Final answer
   x = 65,029.82