Finding the Fourth Proportional to 11,425.51, 17,131.34 and 7,472.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,425.51 : 17,131.34 = 7,472.00 : x
2. Step 2: Convert to fraction form
   11,425.51/17,131.34 = 7,472.00/x
3. Step 3: Cross multiply
   11,425.51x = 17,131.34 × 7,472.00
4. Step 4: Simplify right side
   11,425.51x = 128,005,305.50
5. Step 5: Solve for x
   x = 128,005,305.50/11,425.51
6. Step 6: Final answer
   x = 11,203.47