Finding the Fourth Proportional to 13,461.59, 18,574.78 and 7,493.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,461.59 : 18,574.78 = 7,493.11 : x
2. Step 2: Convert to fraction form
   13,461.59/18,574.78 = 7,493.11/x
3. Step 3: Cross multiply
   13,461.59x = 18,574.78 × 7,493.11
4. Step 4: Simplify right side
   13,461.59x = 139,182,869.77
5. Step 5: Solve for x
   x = 139,182,869.77/13,461.59
6. Step 6: Final answer
   x = 10,339.26