Finding the Fourth Proportional to 13,038.67, 19,508.79 and 7,494.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,038.67 : 19,508.79 = 7,494.62 : x
2. Step 2: Convert to fraction form
   13,038.67/19,508.79 = 7,494.62/x
3. Step 3: Cross multiply
   13,038.67x = 19,508.79 × 7,494.62
4. Step 4: Simplify right side
   13,038.67x = 146,210,967.71
5. Step 5: Solve for x
   x = 146,210,967.71/13,038.67
6. Step 6: Final answer
   x = 11,213.65