Finding the Fourth Proportional to 22,499.19, 31,038.54 and 13,065.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,499.19 : 31,038.54 = 13,065.93 : x
2. Step 2: Convert to fraction form
   22,499.19/31,038.54 = 13,065.93/x
3. Step 3: Cross multiply
   22,499.19x = 31,038.54 × 13,065.93
4. Step 4: Simplify right side
   22,499.19x = 405,547,390.94
5. Step 5: Solve for x
   x = 405,547,390.94/22,499.19
6. Step 6: Final answer
   x = 18,024.98