Finding the Fourth Proportional to 56,647.17, 78,182.88 and 32,787

Step by Step Solution

1. Step 1: Write the proportion equation
   56,647.17 : 78,182.88 = 32,787 : x
2. Step 2: Convert to fraction form
   56,647.17/78,182.88 = 32,787/x
3. Step 3: Cross multiply
   56,647.17x = 78,182.88 × 32,787
4. Step 4: Simplify right side
   56,647.17x = 2,563,382,086.56
5. Step 5: Solve for x
   x = 2,563,382,086.56/56,647.17
6. Step 6: Final answer
   x = 45,251.72