Finding the Fourth Proportional to 1,669.59, 2,503.83 and 929.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.59 : 2,503.83 = 929.55 : x
2. Step 2: Convert to fraction form
   1,669.59/2,503.83 = 929.55/x
3. Step 3: Cross multiply
   1,669.59x = 2,503.83 × 929.55
4. Step 4: Simplify right side
   1,669.59x = 2,327,435.18
5. Step 5: Solve for x
   x = 2,327,435.18/1,669.59
6. Step 6: Final answer
   x = 1,394.02