Finding the Fourth Proportional to 2,925.78, 4,381.56 and 1,607.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,925.78 : 4,381.56 = 1,607.52 : x
2. Step 2: Convert to fraction form
   2,925.78/4,381.56 = 1,607.52/x
3. Step 3: Cross multiply
   2,925.78x = 4,381.56 × 1,607.52
4. Step 4: Simplify right side
   2,925.78x = 7,043,445.33
5. Step 5: Solve for x
   x = 7,043,445.33/2,925.78
6. Step 6: Final answer
   x = 2,407.37