Finding the Fourth Proportional to 1,333.47, 1,840.69 and 1,002.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.47 : 1,840.69 = 1,002.86 : x
2. Step 2: Convert to fraction form
   1,333.47/1,840.69 = 1,002.86/x
3. Step 3: Cross multiply
   1,333.47x = 1,840.69 × 1,002.86
4. Step 4: Simplify right side
   1,333.47x = 1,845,954.37
5. Step 5: Solve for x
   x = 1,845,954.37/1,333.47
6. Step 6: Final answer
   x = 1,384.32