Finding the Fourth Proportional to 1,060.50, 1,588.89 and 649.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.50 : 1,588.89 = 649.02 : x
2. Step 2: Convert to fraction form
   1,060.50/1,588.89 = 649.02/x
3. Step 3: Cross multiply
   1,060.50x = 1,588.89 × 649.02
4. Step 4: Simplify right side
   1,060.50x = 1,031,221.39
5. Step 5: Solve for x
   x = 1,031,221.39/1,060.50
6. Step 6: Final answer
   x = 972.39