Finding the Fourth Proportional to 1,047.93, 1,572.20 and 500.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.93 : 1,572.20 = 500.57 : x
2. Step 2: Convert to fraction form
   1,047.93/1,572.20 = 500.57/x
3. Step 3: Cross multiply
   1,047.93x = 1,572.20 × 500.57
4. Step 4: Simplify right side
   1,047.93x = 786,996.15
5. Step 5: Solve for x
   x = 786,996.15/1,047.93
6. Step 6: Final answer
   x = 751.00