Finding the Fourth Proportional to 17,071.55, 23,557.64 and 9,901.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,071.55 : 23,557.64 = 9,901.72 : x
2. Step 2: Convert to fraction form
   17,071.55/23,557.64 = 9,901.72/x
3. Step 3: Cross multiply
   17,071.55x = 23,557.64 × 9,901.72
4. Step 4: Simplify right side
   17,071.55x = 233,261,068.82
5. Step 5: Solve for x
   x = 233,261,068.82/17,071.55
6. Step 6: Final answer
   x = 13,663.73