Finding the Fourth Proportional to 1,701.60, 2,551.68 and 1,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,701.60 : 2,551.68 = 1,235.50 : x
2. Step 2: Convert to fraction form
   1,701.60/2,551.68 = 1,235.50/x
3. Step 3: Cross multiply
   1,701.60x = 2,551.68 × 1,235.50
4. Step 4: Simplify right side
   1,701.60x = 3,152,598.89
5. Step 5: Solve for x
   x = 3,152,598.89/1,701.60
6. Step 6: Final answer
   x = 1,852.72