Finding the Fourth Proportional to 16,779.18, 25,168.85 and 5,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,779.18 : 25,168.85 = 5,092.50 : x
2. Step 2: Convert to fraction form
   16,779.18/25,168.85 = 5,092.50/x
3. Step 3: Cross multiply
   16,779.18x = 25,168.85 × 5,092.50
4. Step 4: Simplify right side
   16,779.18x = 128,172,368.63
5. Step 5: Solve for x
   x = 128,172,368.63/16,779.18
6. Step 6: Final answer
   x = 7,638.77