Finding the Fourth Proportional to 1,784.02, 2,462.81 and 1,187.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.02 : 2,462.81 = 1,187.51 : x
2. Step 2: Convert to fraction form
   1,784.02/2,462.81 = 1,187.51/x
3. Step 3: Cross multiply
   1,784.02x = 2,462.81 × 1,187.51
4. Step 4: Simplify right side
   1,784.02x = 2,924,609.17
5. Step 5: Solve for x
   x = 2,924,609.17/1,784.02
6. Step 6: Final answer
   x = 1,639.33