Finding the Fourth Proportional to 56,047.82, 83,978.24 and 40,229.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,047.82 : 83,978.24 = 40,229.12 : x
2. Step 2: Convert to fraction form
   56,047.82/83,978.24 = 40,229.12/x
3. Step 3: Cross multiply
   56,047.82x = 83,978.24 × 40,229.12
4. Step 4: Simplify right side
   56,047.82x = 3,378,370,703.15
5. Step 5: Solve for x
   x = 3,378,370,703.15/56,047.82
6. Step 6: Final answer
   x = 60,276.58