Finding the Fourth Proportional to 1,988.32, 2,980.16 and 1,460.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988.32 : 2,980.16 = 1,460.46 : x
2. Step 2: Convert to fraction form
   1,988.32/2,980.16 = 1,460.46/x
3. Step 3: Cross multiply
   1,988.32x = 2,980.16 × 1,460.46
4. Step 4: Simplify right side
   1,988.32x = 4,352,404.47
5. Step 5: Solve for x
   x = 4,352,404.47/1,988.32
6. Step 6: Final answer
   x = 2,188.99