Finding the Fourth Proportional to 10,260.84, 14,165.10 and 7,987.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,260.84 : 14,165.10 = 7,987.17 : x
2. Step 2: Convert to fraction form
   10,260.84/14,165.10 = 7,987.17/x
3. Step 3: Cross multiply
   10,260.84x = 14,165.10 × 7,987.17
4. Step 4: Simplify right side
   10,260.84x = 113,139,061.77
5. Step 5: Solve for x
   x = 113,139,061.77/10,260.84
6. Step 6: Final answer
   x = 11,026.30