Finding the Fourth Proportional to 10,258.84, 14,162.34 and 7,985.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,258.84 : 14,162.34 = 7,985.17 : x
2. Step 2: Convert to fraction form
   10,258.84/14,162.34 = 7,985.17/x
3. Step 3: Cross multiply
   10,258.84x = 14,162.34 × 7,985.17
4. Step 4: Simplify right side
   10,258.84x = 113,088,692.50
5. Step 5: Solve for x
   x = 113,088,692.50/10,258.84
6. Step 6: Final answer
   x = 11,023.54