Finding the Fourth Proportional to 10,342.24, 15,510.56 and 7,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,342.24 : 15,510.56 = 7,054.72 : x
2. Step 2: Convert to fraction form
   10,342.24/15,510.56 = 7,054.72/x
3. Step 3: Cross multiply
   10,342.24x = 15,510.56 × 7,054.72
4. Step 4: Simplify right side
   10,342.24x = 109,422,657.84
5. Step 5: Solve for x
   x = 109,422,657.84/10,342.24
6. Step 6: Final answer
   x = 10,580.17