Finding the Fourth Proportional to 1,746.42, 2,620.86 and 706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.42 : 2,620.86 = 706.50 : x
2. Step 2: Convert to fraction form
   1,746.42/2,620.86 = 706.50/x
3. Step 3: Cross multiply
   1,746.42x = 2,620.86 × 706.50
4. Step 4: Simplify right side
   1,746.42x = 1,851,637.59
5. Step 5: Solve for x
   x = 1,851,637.59/1,746.42
6. Step 6: Final answer
   x = 1,060.25