Finding the Fourth Proportional to 1,784.60, 2,462.52 and 987.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.60 : 2,462.52 = 987.81 : x
2. Step 2: Convert to fraction form
   1,784.60/2,462.52 = 987.81/x
3. Step 3: Cross multiply
   1,784.60x = 2,462.52 × 987.81
4. Step 4: Simplify right side
   1,784.60x = 2,432,501.88
5. Step 5: Solve for x
   x = 2,432,501.88/1,784.60
6. Step 6: Final answer
   x = 1,363.06