Finding the Fourth Proportional to 1,799.72, 2,484.78 and 1,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.72 : 2,484.78 = 1,101.50 : x
2. Step 2: Convert to fraction form
   1,799.72/2,484.78 = 1,101.50/x
3. Step 3: Cross multiply
   1,799.72x = 2,484.78 × 1,101.50
4. Step 4: Simplify right side
   1,799.72x = 2,736,985.17
5. Step 5: Solve for x
   x = 2,736,985.17/1,799.72
6. Step 6: Final answer
   x = 1,520.78