Finding the Fourth Proportional to 72,889.92, 109,400.49 and 37,854.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,889.92 : 109,400.49 = 37,854.18 : x
2. Step 2: Convert to fraction form
   72,889.92/109,400.49 = 37,854.18/x
3. Step 3: Cross multiply
   72,889.92x = 109,400.49 × 37,854.18
4. Step 4: Simplify right side
   72,889.92x = 4,141,265,840.55
5. Step 5: Solve for x
   x = 4,141,265,840.55/72,889.92
6. Step 6: Final answer
   x = 56,815.34