Finding the Fourth Proportional to 19,499.49, 29,188.58 and 10,592.55

Step by Step Solution

1. Step 1: Write the proportion equation
   19,499.49 : 29,188.58 = 10,592.55 : x
2. Step 2: Convert to fraction form
   19,499.49/29,188.58 = 10,592.55/x
3. Step 3: Cross multiply
   19,499.49x = 29,188.58 × 10,592.55
4. Step 4: Simplify right side
   19,499.49x = 309,181,440.12
5. Step 5: Solve for x
   x = 309,181,440.12/19,499.49
6. Step 6: Final answer
   x = 15,855.87