Finding the Fourth Proportional to 13,428.96, 18,531.72 and 7,460.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,428.96 : 18,531.72 = 7,460.52 : x
2. Step 2: Convert to fraction form
   13,428.96/18,531.72 = 7,460.52/x
3. Step 3: Cross multiply
   13,428.96x = 18,531.72 × 7,460.52
4. Step 4: Simplify right side
   13,428.96x = 138,256,267.69
5. Step 5: Solve for x
   x = 138,256,267.69/13,428.96
6. Step 6: Final answer
   x = 10,295.38