Finding the Fourth Proportional to 1,666.55, 2,300.65 and 1,292.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.55 : 2,300.65 = 1,292.67 : x
2. Step 2: Convert to fraction form
   1,666.55/2,300.65 = 1,292.67/x
3. Step 3: Cross multiply
   1,666.55x = 2,300.65 × 1,292.67
4. Step 4: Simplify right side
   1,666.55x = 2,973,978.00
5. Step 5: Solve for x
   x = 2,973,978.00/1,666.55
6. Step 6: Final answer
   x = 1,784.51