Finding the Fourth Proportional to 1,048.00, 1,569.86 and 491.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.00 : 1,569.86 = 491.86 : x
2. Step 2: Convert to fraction form
   1,048.00/1,569.86 = 491.86/x
3. Step 3: Cross multiply
   1,048.00x = 1,569.86 × 491.86
4. Step 4: Simplify right side
   1,048.00x = 772,151.34
5. Step 5: Solve for x
   x = 772,151.34/1,048.00
6. Step 6: Final answer
   x = 736.79