Finding the Fourth Proportional to 13,005.51, 17,947.53 and 7,342.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.51 : 17,947.53 = 7,342.10 : x
2. Step 2: Convert to fraction form
   13,005.51/17,947.53 = 7,342.10/x
3. Step 3: Cross multiply
   13,005.51x = 17,947.53 × 7,342.10
4. Step 4: Simplify right side
   13,005.51x = 131,772,433.56
5. Step 5: Solve for x
   x = 131,772,433.56/13,005.51
6. Step 6: Final answer
   x = 10,132.05