Finding the Fourth Proportional to 2,445.42, 3,664.02 and 1,577.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.42 : 3,664.02 = 1,577.91 : x
2. Step 2: Convert to fraction form
   2,445.42/3,664.02 = 1,577.91/x
3. Step 3: Cross multiply
   2,445.42x = 3,664.02 × 1,577.91
4. Step 4: Simplify right side
   2,445.42x = 5,781,493.80
5. Step 5: Solve for x
   x = 5,781,493.80/2,445.42
6. Step 6: Final answer
   x = 2,364.21