Finding the Fourth Proportional to 56,851.84, 78,455.37 and 31,701.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,851.84 : 78,455.37 = 31,701.34 : x
2. Step 2: Convert to fraction form
   56,851.84/78,455.37 = 31,701.34/x
3. Step 3: Cross multiply
   56,851.84x = 78,455.37 × 31,701.34
4. Step 4: Simplify right side
   56,851.84x = 2,487,140,359.20
5. Step 5: Solve for x
   x = 2,487,140,359.20/56,851.84
6. Step 6: Final answer
   x = 43,747.75