Finding the Fourth Proportional to 66,086.56, 99,165.12 and 31,026.56

Step by Step Solution

1. Step 1: Write the proportion equation
   66,086.56 : 99,165.12 = 31,026.56 : x
2. Step 2: Convert to fraction form
   66,086.56/99,165.12 = 31,026.56/x
3. Step 3: Cross multiply
   66,086.56x = 99,165.12 × 31,026.56
4. Step 4: Simplify right side
   66,086.56x = 3,076,752,545.59
5. Step 5: Solve for x
   x = 3,076,752,545.59/66,086.56
6. Step 6: Final answer
   x = 46,556.40