Finding the Fourth Proportional to 82,899.12, 124,385.40 and 43,446.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,899.12 : 124,385.40 = 43,446.81 : x
2. Step 2: Convert to fraction form
   82,899.12/124,385.40 = 43,446.81/x
3. Step 3: Cross multiply
   82,899.12x = 124,385.40 × 43,446.81
4. Step 4: Simplify right side
   82,899.12x = 5,404,148,840.57
5. Step 5: Solve for x
   x = 5,404,148,840.57/82,899.12
6. Step 6: Final answer
   x = 65,189.46