Finding the Fourth Proportional to 1,056.56, 1,583.86 and 501.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056.56 : 1,583.86 = 501.53 : x
2. Step 2: Convert to fraction form
   1,056.56/1,583.86 = 501.53/x
3. Step 3: Cross multiply
   1,056.56x = 1,583.86 × 501.53
4. Step 4: Simplify right side
   1,056.56x = 794,342.88
5. Step 5: Solve for x
   x = 794,342.88/1,056.56
6. Step 6: Final answer
   x = 751.82