Finding the Fourth Proportional to 5,100.98, 7,651.33 and 1,590.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.98 : 7,651.33 = 1,590.98 : x
2. Step 2: Convert to fraction form
   5,100.98/7,651.33 = 1,590.98/x
3. Step 3: Cross multiply
   5,100.98x = 7,651.33 × 1,590.98
4. Step 4: Simplify right side
   5,100.98x = 12,173,070.77
5. Step 5: Solve for x
   x = 12,173,070.77/5,100.98
6. Step 6: Final answer
   x = 2,386.42