Finding the Fourth Proportional to 56,816.27, 78,407.00 and 31,323.65

Step by Step Solution

1. Step 1: Write the proportion equation
   56,816.27 : 78,407.00 = 31,323.65 : x
2. Step 2: Convert to fraction form
   56,816.27/78,407.00 = 31,323.65/x
3. Step 3: Cross multiply
   56,816.27x = 78,407.00 × 31,323.65
4. Step 4: Simplify right side
   56,816.27x = 2,455,992,876.90
5. Step 5: Solve for x
   x = 2,455,992,876.90/56,816.27
6. Step 6: Final answer
   x = 43,226.93