Finding the Fourth Proportional to 56,893.50, 78,513.03 and 31,743

Step by Step Solution

1. Step 1: Write the proportion equation
   56,893.50 : 78,513.03 = 31,743 : x
2. Step 2: Convert to fraction form
   56,893.50/78,513.03 = 31,743/x
3. Step 3: Cross multiply
   56,893.50x = 78,513.03 × 31,743
4. Step 4: Simplify right side
   56,893.50x = 2,492,239,111.29
5. Step 5: Solve for x
   x = 2,492,239,111.29/56,893.50
6. Step 6: Final answer
   x = 43,805.34