Finding the Fourth Proportional to 1,300.69, 1,952.22 and 607.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.69 : 1,952.22 = 607.77 : x
2. Step 2: Convert to fraction form
   1,300.69/1,952.22 = 607.77/x
3. Step 3: Cross multiply
   1,300.69x = 1,952.22 × 607.77
4. Step 4: Simplify right side
   1,300.69x = 1,186,503.03
5. Step 5: Solve for x
   x = 1,186,503.03/1,300.69
6. Step 6: Final answer
   x = 912.21