Finding the Fourth Proportional to 1,379.82, 2,066.06 and 1,010.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.82 : 2,066.06 = 1,010.46 : x
2. Step 2: Convert to fraction form
   1,379.82/2,066.06 = 1,010.46/x
3. Step 3: Cross multiply
   1,379.82x = 2,066.06 × 1,010.46
4. Step 4: Simplify right side
   1,379.82x = 2,087,670.99
5. Step 5: Solve for x
   x = 2,087,670.99/1,379.82
6. Step 6: Final answer
   x = 1,513.00