Finding the Fourth Proportional to 72,843.22, 109,238.46 and 25,445.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,843.22 : 109,238.46 = 25,445.08 : x
2. Step 2: Convert to fraction form
   72,843.22/109,238.46 = 25,445.08/x
3. Step 3: Cross multiply
   72,843.22x = 109,238.46 × 25,445.08
4. Step 4: Simplify right side
   72,843.22x = 2,779,581,353.78
5. Step 5: Solve for x
   x = 2,779,581,353.78/72,843.22
6. Step 6: Final answer
   x = 38,158.41