Finding the Fourth Proportional to 1,784.81, 2,462.98 and 988.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.81 : 2,462.98 = 988.16 : x
2. Step 2: Convert to fraction form
   1,784.81/2,462.98 = 988.16/x
3. Step 3: Cross multiply
   1,784.81x = 2,462.98 × 988.16
4. Step 4: Simplify right side
   1,784.81x = 2,433,818.32
5. Step 5: Solve for x
   x = 2,433,818.32/1,784.81
6. Step 6: Final answer
   x = 1,363.63