Finding the Fourth Proportional to 19,131.54, 28,697.22 and 5,092.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,131.54 : 28,697.22 = 5,092.98 : x
2. Step 2: Convert to fraction form
   19,131.54/28,697.22 = 5,092.98/x
3. Step 3: Cross multiply
   19,131.54x = 28,697.22 × 5,092.98
4. Step 4: Simplify right side
   19,131.54x = 146,154,367.52
5. Step 5: Solve for x
   x = 146,154,367.52/19,131.54
6. Step 6: Final answer
   x = 7,639.45