Finding the Fourth Proportional to 1,061.00, 1,591.70 and 475.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.00 : 1,591.70 = 475.77 : x
2. Step 2: Convert to fraction form
   1,061.00/1,591.70 = 475.77/x
3. Step 3: Cross multiply
   1,061.00x = 1,591.70 × 475.77
4. Step 4: Simplify right side
   1,061.00x = 757,280.73
5. Step 5: Solve for x
   x = 757,280.73/1,061.00
6. Step 6: Final answer
   x = 713.75