Finding the Fourth Proportional to 11,003.70, 16,507.98 and 5,460.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.70 : 16,507.98 = 5,460.06 : x
2. Step 2: Convert to fraction form
   11,003.70/16,507.98 = 5,460.06/x
3. Step 3: Cross multiply
   11,003.70x = 16,507.98 × 5,460.06
4. Step 4: Simplify right side
   11,003.70x = 90,134,561.28
5. Step 5: Solve for x
   x = 90,134,561.28/11,003.70
6. Step 6: Final answer
   x = 8,191.30