Finding the Fourth Proportional to 14,153.91, 19,532.33 and 7,780.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,153.91 : 19,532.33 = 7,780.88 : x
2. Step 2: Convert to fraction form
   14,153.91/19,532.33 = 7,780.88/x
3. Step 3: Cross multiply
   14,153.91x = 19,532.33 × 7,780.88
4. Step 4: Simplify right side
   14,153.91x = 151,978,699.96
5. Step 5: Solve for x
   x = 151,978,699.96/14,153.91
6. Step 6: Final answer
   x = 10,737.58