Finding the Fourth Proportional to 82,901.12, 124,388.40 and 43,448.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,901.12 : 124,388.40 = 43,448.81 : x
2. Step 2: Convert to fraction form
   82,901.12/124,388.40 = 43,448.81/x
3. Step 3: Cross multiply
   82,901.12x = 124,388.40 × 43,448.81
4. Step 4: Simplify right side
   82,901.12x = 5,404,527,957.80
5. Step 5: Solve for x
   x = 5,404,527,957.80/82,901.12
6. Step 6: Final answer
   x = 65,192.46