Finding the Fourth Proportional to 1,402.99, 1,938.59 and 1,110.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.99 : 1,938.59 = 1,110.58 : x
2. Step 2: Convert to fraction form
   1,402.99/1,938.59 = 1,110.58/x
3. Step 3: Cross multiply
   1,402.99x = 1,938.59 × 1,110.58
4. Step 4: Simplify right side
   1,402.99x = 2,152,959.28
5. Step 5: Solve for x
   x = 2,152,959.28/1,402.99
6. Step 6: Final answer
   x = 1,534.55