Finding the Fourth Proportional to 72,353.88, 108,443.34 and 37,274.40

Step by Step Solution

1. Step 1: Write the proportion equation
   72,353.88 : 108,443.34 = 37,274.40 : x
2. Step 2: Convert to fraction form
   72,353.88/108,443.34 = 37,274.40/x
3. Step 3: Cross multiply
   72,353.88x = 108,443.34 × 37,274.40
4. Step 4: Simplify right side
   72,353.88x = 4,042,160,432.50
5. Step 5: Solve for x
   x = 4,042,160,432.50/72,353.88
6. Step 6: Final answer
   x = 55,866.53