Finding the Fourth Proportional to 2,445.80, 3,666.06 and 1,059.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.80 : 3,666.06 = 1,059.89 : x
2. Step 2: Convert to fraction form
   2,445.80/3,666.06 = 1,059.89/x
3. Step 3: Cross multiply
   2,445.80x = 3,666.06 × 1,059.89
4. Step 4: Simplify right side
   2,445.80x = 3,885,602.00
5. Step 5: Solve for x
   x = 3,885,602.00/2,445.80
6. Step 6: Final answer
   x = 1,588.69