Finding the Fourth Proportional to 1,845.60, 2,549.52 and 1,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,845.60 : 2,549.52 = 1,385.52 : x
2. Step 2: Convert to fraction form
   1,845.60/2,549.52 = 1,385.52/x
3. Step 3: Cross multiply
   1,845.60x = 2,549.52 × 1,385.52
4. Step 4: Simplify right side
   1,845.60x = 3,532,410.95
5. Step 5: Solve for x
   x = 3,532,410.95/1,845.60
6. Step 6: Final answer
   x = 1,913.96