Finding the Fourth Proportional to 1,501.98, 2,253.90 and 577.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.98 : 2,253.90 = 577.62 : x
2. Step 2: Convert to fraction form
   1,501.98/2,253.90 = 577.62/x
3. Step 3: Cross multiply
   1,501.98x = 2,253.90 × 577.62
4. Step 4: Simplify right side
   1,501.98x = 1,301,897.72
5. Step 5: Solve for x
   x = 1,301,897.72/1,501.98
6. Step 6: Final answer
   x = 866.79