Finding the Fourth Proportional to 13,803.72, 19,002.52 and 12,473.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,803.72 : 19,002.52 = 12,473.32 : x
2. Step 2: Convert to fraction form
   13,803.72/19,002.52 = 12,473.32/x
3. Step 3: Cross multiply
   13,803.72x = 19,002.52 × 12,473.32
4. Step 4: Simplify right side
   13,803.72x = 237,024,512.77
5. Step 5: Solve for x
   x = 237,024,512.77/13,803.72
6. Step 6: Final answer
   x = 17,171.06