Finding the Fourth Proportional to 13,037.52, 19,546.56 and 7,842.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,037.52 : 19,546.56 = 7,842.18 : x
2. Step 2: Convert to fraction form
   13,037.52/19,546.56 = 7,842.18/x
3. Step 3: Cross multiply
   13,037.52x = 19,546.56 × 7,842.18
4. Step 4: Simplify right side
   13,037.52x = 153,287,641.90
5. Step 5: Solve for x
   x = 153,287,641.90/13,037.52
6. Step 6: Final answer
   x = 11,757.42