Finding the Fourth Proportional to 14,061.74, 19,421.16 and 9,577.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,061.74 : 19,421.16 = 9,577.72 : x
2. Step 2: Convert to fraction form
   14,061.74/19,421.16 = 9,577.72/x
3. Step 3: Cross multiply
   14,061.74x = 19,421.16 × 9,577.72
4. Step 4: Simplify right side
   14,061.74x = 186,010,384.00
5. Step 5: Solve for x
   x = 186,010,384.00/14,061.74
6. Step 6: Final answer
   x = 13,228.12