Finding the Fourth Proportional to 56,824.50, 78,417.81 and 31,674

Step by Step Solution

1. Step 1: Write the proportion equation
   56,824.50 : 78,417.81 = 31,674 : x
2. Step 2: Convert to fraction form
   56,824.50/78,417.81 = 31,674/x
3. Step 3: Cross multiply
   56,824.50x = 78,417.81 × 31,674
4. Step 4: Simplify right side
   56,824.50x = 2,483,805,713.94
5. Step 5: Solve for x
   x = 2,483,805,713.94/56,824.50
6. Step 6: Final answer
   x = 43,710.12