Finding the Fourth Proportional to 81,997.50, 123,032.00 and 28,727.70

Step by Step Solution

1. Step 1: Write the proportion equation
   81,997.50 : 123,032.00 = 28,727.70 : x
2. Step 2: Convert to fraction form
   81,997.50/123,032.00 = 28,727.70/x
3. Step 3: Cross multiply
   81,997.50x = 123,032.00 × 28,727.70
4. Step 4: Simplify right side
   81,997.50x = 3,534,426,242.76
5. Step 5: Solve for x
   x = 3,534,426,242.76/81,997.50
6. Step 6: Final answer
   x = 43,104.07