Finding the Fourth Proportional to 83,057.00, 124,457.92 and 56,368.31

Step by Step Solution

1. Step 1: Write the proportion equation
   83,057.00 : 124,457.92 = 56,368.31 : x
2. Step 2: Convert to fraction form
   83,057.00/124,457.92 = 56,368.31/x
3. Step 3: Cross multiply
   83,057.00x = 124,457.92 × 56,368.31
4. Step 4: Simplify right side
   83,057.00x = 7,015,481,853.30
5. Step 5: Solve for x
   x = 7,015,481,853.30/83,057.00
6. Step 6: Final answer
   x = 84,465.88