Finding the Fourth Proportional to 1,100.70, 1,649.76 and 1,088.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.70 : 1,649.76 = 1,088.52 : x
2. Step 2: Convert to fraction form
   1,100.70/1,649.76 = 1,088.52/x
3. Step 3: Cross multiply
   1,100.70x = 1,649.76 × 1,088.52
4. Step 4: Simplify right side
   1,100.70x = 1,795,796.76
5. Step 5: Solve for x
   x = 1,795,796.76/1,100.70
6. Step 6: Final answer
   x = 1,631.50