Finding the Fourth Proportional to 1,667.01, 2,300.45 and 921.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.01 : 2,300.45 = 921.00 : x
2. Step 2: Convert to fraction form
   1,667.01/2,300.45 = 921.00/x
3. Step 3: Cross multiply
   1,667.01x = 2,300.45 × 921.00
4. Step 4: Simplify right side
   1,667.01x = 2,118,704.24
5. Step 5: Solve for x
   x = 2,118,704.24/1,667.01
6. Step 6: Final answer
   x = 1,270.96