Finding the Fourth Proportional to 72,561.83, 108,834.57 and 25,168.19

Step by Step Solution

1. Step 1: Write the proportion equation
   72,561.83 : 108,834.57 = 25,168.19 : x
2. Step 2: Convert to fraction form
   72,561.83/108,834.57 = 25,168.19/x
3. Step 3: Cross multiply
   72,561.83x = 108,834.57 × 25,168.19
4. Step 4: Simplify right side
   72,561.83x = 2,739,168,592.16
5. Step 5: Solve for x
   x = 2,739,168,592.16/72,561.83
6. Step 6: Final answer
   x = 37,749.44