Finding the Fourth Proportional to 56,739.56, 78,288.72 and 32,864.81

Step by Step Solution

1. Step 1: Write the proportion equation
   56,739.56 : 78,288.72 = 32,864.81 : x
2. Step 2: Convert to fraction form
   56,739.56/78,288.72 = 32,864.81/x
3. Step 3: Cross multiply
   56,739.56x = 78,288.72 × 32,864.81
4. Step 4: Simplify right side
   56,739.56x = 2,572,943,907.94
5. Step 5: Solve for x
   x = 2,572,943,907.94/56,739.56
6. Step 6: Final answer
   x = 45,346.56