Finding the Fourth Proportional to 35,290.54, 48,700.72 and 19,158.17

Step by Step Solution

1. Step 1: Write the proportion equation
   35,290.54 : 48,700.72 = 19,158.17 : x
2. Step 2: Convert to fraction form
   35,290.54/48,700.72 = 19,158.17/x
3. Step 3: Cross multiply
   35,290.54x = 48,700.72 × 19,158.17
4. Step 4: Simplify right side
   35,290.54x = 933,016,672.88
5. Step 5: Solve for x
   x = 933,016,672.88/35,290.54
6. Step 6: Final answer
   x = 26,438.15