Finding the Fourth Proportional to 56,622.17, 78,133.88 and 31,127.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,622.17 : 78,133.88 = 31,127.83 : x
2. Step 2: Convert to fraction form
   56,622.17/78,133.88 = 31,127.83/x
3. Step 3: Cross multiply
   56,622.17x = 78,133.88 × 31,127.83
4. Step 4: Simplify right side
   56,622.17x = 2,432,138,016.37
5. Step 5: Solve for x
   x = 2,432,138,016.37/56,622.17
6. Step 6: Final answer
   x = 42,953.81