Finding the Fourth Proportional to 10,427.85, 14,385.06 and 7,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427.85 : 14,385.06 = 7,069.50 : x
2. Step 2: Convert to fraction form
   10,427.85/14,385.06 = 7,069.50/x
3. Step 3: Cross multiply
   10,427.85x = 14,385.06 × 7,069.50
4. Step 4: Simplify right side
   10,427.85x = 101,695,181.67
5. Step 5: Solve for x
   x = 101,695,181.67/10,427.85
6. Step 6: Final answer
   x = 9,752.27