Finding the Fourth Proportional to 90,870.49, 136,294.91 and 24,315.76

Step by Step Solution

1. Step 1: Write the proportion equation
   90,870.49 : 136,294.91 = 24,315.76 : x
2. Step 2: Convert to fraction form
   90,870.49/136,294.91 = 24,315.76/x
3. Step 3: Cross multiply
   90,870.49x = 136,294.91 × 24,315.76
4. Step 4: Simplify right side
   90,870.49x = 3,314,113,517.73
5. Step 5: Solve for x
   x = 3,314,113,517.73/90,870.49
6. Step 6: Final answer
   x = 36,470.74