Finding the Fourth Proportional to 12,089.39, 16,687.49 and 7,312.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.39 : 16,687.49 = 7,312.01 : x
2. Step 2: Convert to fraction form
   12,089.39/16,687.49 = 7,312.01/x
3. Step 3: Cross multiply
   12,089.39x = 16,687.49 × 7,312.01
4. Step 4: Simplify right side
   12,089.39x = 122,018,973.76
5. Step 5: Solve for x
   x = 122,018,973.76/12,089.39
6. Step 6: Final answer
   x = 10,093.07