Finding the Fourth Proportional to 19,459.54, 29,164.71 and 10,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,459.54 : 29,164.71 = 10,574.50 : x
2. Step 2: Convert to fraction form
   19,459.54/29,164.71 = 10,574.50/x
3. Step 3: Cross multiply
   19,459.54x = 29,164.71 × 10,574.50
4. Step 4: Simplify right side
   19,459.54x = 308,402,225.90
5. Step 5: Solve for x
   x = 308,402,225.90/19,459.54
6. Step 6: Final answer
   x = 15,848.38