Finding the Fourth Proportional to 9,445.76, 13,028.06 and 9,026.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,445.76 : 13,028.06 = 9,026.99 : x
2. Step 2: Convert to fraction form
   9,445.76/13,028.06 = 9,026.99/x
3. Step 3: Cross multiply
   9,445.76x = 13,028.06 × 9,026.99
4. Step 4: Simplify right side
   9,445.76x = 117,604,124.77
5. Step 5: Solve for x
   x = 117,604,124.77/9,445.76
6. Step 6: Final answer
   x = 12,450.47