Finding the Fourth Proportional to 10,415.82, 14,380.54 and 9,294.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,415.82 : 14,380.54 = 9,294.83 : x
2. Step 2: Convert to fraction form
   10,415.82/14,380.54 = 9,294.83/x
3. Step 3: Cross multiply
   10,415.82x = 14,380.54 × 9,294.83
4. Step 4: Simplify right side
   10,415.82x = 133,664,674.61
5. Step 5: Solve for x
   x = 133,664,674.61/10,415.82
6. Step 6: Final answer
   x = 12,832.85