Finding the Fourth Proportional to 13,392.72, 20,088.03 and 5,071.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,392.72 : 20,088.03 = 5,071.98 : x
2. Step 2: Convert to fraction form
   13,392.72/20,088.03 = 5,071.98/x
3. Step 3: Cross multiply
   13,392.72x = 20,088.03 × 5,071.98
4. Step 4: Simplify right side
   13,392.72x = 101,886,086.40
5. Step 5: Solve for x
   x = 101,886,086.40/13,392.72
6. Step 6: Final answer
   x = 7,607.57