Finding the Fourth Proportional to 56,816.28, 78,409.98 and 31,322.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,816.28 : 78,409.98 = 31,322.52 : x
2. Step 2: Convert to fraction form
   56,816.28/78,409.98 = 31,322.52/x
3. Step 3: Cross multiply
   56,816.28x = 78,409.98 × 31,322.52
4. Step 4: Simplify right side
   56,816.28x = 2,455,998,166.75
5. Step 5: Solve for x
   x = 2,455,998,166.75/56,816.28
6. Step 6: Final answer
   x = 43,227.01