Finding the Fourth Proportional to 72,870.42, 109,331.73 and 25,498.53

Step by Step Solution

1. Step 1: Write the proportion equation
   72,870.42 : 109,331.73 = 25,498.53 : x
2. Step 2: Convert to fraction form
   72,870.42/109,331.73 = 25,498.53/x
3. Step 3: Cross multiply
   72,870.42x = 109,331.73 × 25,498.53
4. Step 4: Simplify right side
   72,870.42x = 2,787,798,397.36
5. Step 5: Solve for x
   x = 2,787,798,397.36/72,870.42
6. Step 6: Final answer
   x = 38,256.93