Finding the Fourth Proportional to 13,875.59, 19,148.39 and 7,502.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,875.59 : 19,148.39 = 7,502.18 : x
2. Step 2: Convert to fraction form
   13,875.59/19,148.39 = 7,502.18/x
3. Step 3: Cross multiply
   13,875.59x = 19,148.39 × 7,502.18
4. Step 4: Simplify right side
   13,875.59x = 143,654,591.50
5. Step 5: Solve for x
   x = 143,654,591.50/13,875.59
6. Step 6: Final answer
   x = 10,353.04