Finding the Fourth Proportional to 56,719.68, 78,268.32 and 31,571.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,719.68 : 78,268.32 = 31,571.52 : x
2. Step 2: Convert to fraction form
   56,719.68/78,268.32 = 31,571.52/x
3. Step 3: Cross multiply
   56,719.68x = 78,268.32 × 31,571.52
4. Step 4: Simplify right side
   56,719.68x = 2,471,049,830.25
5. Step 5: Solve for x
   x = 2,471,049,830.25/56,719.68
6. Step 6: Final answer
   x = 43,566.00