Finding the Fourth Proportional to 13,040.52, 19,551.06 and 7,845.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,040.52 : 19,551.06 = 7,845.18 : x
2. Step 2: Convert to fraction form
   13,040.52/19,551.06 = 7,845.18/x
3. Step 3: Cross multiply
   13,040.52x = 19,551.06 × 7,845.18
4. Step 4: Simplify right side
   13,040.52x = 153,381,584.89
5. Step 5: Solve for x
   x = 153,381,584.89/13,040.52
6. Step 6: Final answer
   x = 11,761.92