Finding the Fourth Proportional to 72,722.13, 109,056.18 and 25,325.05

Step by Step Solution

1. Step 1: Write the proportion equation
   72,722.13 : 109,056.18 = 25,325.05 : x
2. Step 2: Convert to fraction form
   72,722.13/109,056.18 = 25,325.05/x
3. Step 3: Cross multiply
   72,722.13x = 109,056.18 × 25,325.05
4. Step 4: Simplify right side
   72,722.13x = 2,761,853,211.31
5. Step 5: Solve for x
   x = 2,761,853,211.31/72,722.13
6. Step 6: Final answer
   x = 37,978.17