Finding the Fourth Proportional to 2,615.48, 3,925.96 and 1,922.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.48 : 3,925.96 = 1,922.93 : x
2. Step 2: Convert to fraction form
   2,615.48/3,925.96 = 1,922.93/x
3. Step 3: Cross multiply
   2,615.48x = 3,925.96 × 1,922.93
4. Step 4: Simplify right side
   2,615.48x = 7,549,351.27
5. Step 5: Solve for x
   x = 7,549,351.27/2,615.48
6. Step 6: Final answer
   x = 2,886.41