Finding the Fourth Proportional to 1,666.67, 2,300.00 and 920.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.67 : 2,300.00 = 920.63 : x
2. Step 2: Convert to fraction form
   1,666.67/2,300.00 = 920.63/x
3. Step 3: Cross multiply
   1,666.67x = 2,300.00 × 920.63
4. Step 4: Simplify right side
   1,666.67x = 2,117,432.90
5. Step 5: Solve for x
   x = 2,117,432.90/1,666.67
6. Step 6: Final answer
   x = 1,270.46