Finding the Fourth Proportional to 1,400.06, 2,097.76 and 988.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.06 : 2,097.76 = 988.52 : x
2. Step 2: Convert to fraction form
   1,400.06/2,097.76 = 988.52/x
3. Step 3: Cross multiply
   1,400.06x = 2,097.76 × 988.52
4. Step 4: Simplify right side
   1,400.06x = 2,073,677.72
5. Step 5: Solve for x
   x = 2,073,677.72/1,400.06
6. Step 6: Final answer
   x = 1,481.13