Finding the Fourth Proportional to 56,738.93, 78,287.86 and 32,864.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,738.93 : 78,287.86 = 32,864.18 : x
2. Step 2: Convert to fraction form
   56,738.93/78,287.86 = 32,864.18/x
3. Step 3: Cross multiply
   56,738.93x = 78,287.86 × 32,864.18
4. Step 4: Simplify right side
   56,738.93x = 2,572,866,158.53
5. Step 5: Solve for x
   x = 2,572,866,158.53/56,738.93
6. Step 6: Final answer
   x = 45,345.69