Finding the Fourth Proportional to 10,493.58, 14,488.02 and 9,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,493.58 : 14,488.02 = 9,385.50 : x
2. Step 2: Convert to fraction form
   10,493.58/14,488.02 = 9,385.50/x
3. Step 3: Cross multiply
   10,493.58x = 14,488.02 × 9,385.50
4. Step 4: Simplify right side
   10,493.58x = 135,977,311.71
5. Step 5: Solve for x
   x = 135,977,311.71/10,493.58
6. Step 6: Final answer
   x = 12,958.14