Finding the Fourth Proportional to 2,985.77, 4,478.34 and 794.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.77 : 4,478.34 = 794.72 : x
2. Step 2: Convert to fraction form
   2,985.77/4,478.34 = 794.72/x
3. Step 3: Cross multiply
   2,985.77x = 4,478.34 × 794.72
4. Step 4: Simplify right side
   2,985.77x = 3,559,026.36
5. Step 5: Solve for x
   x = 3,559,026.36/2,985.77
6. Step 6: Final answer
   x = 1,192.00