Finding the Fourth Proportional to 1,566.95, 2,162.50 and 977.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.95 : 2,162.50 = 977.27 : x
2. Step 2: Convert to fraction form
   1,566.95/2,162.50 = 977.27/x
3. Step 3: Cross multiply
   1,566.95x = 2,162.50 × 977.27
4. Step 4: Simplify right side
   1,566.95x = 2,113,333.12
5. Step 5: Solve for x
   x = 2,113,333.12/1,566.95
6. Step 6: Final answer
   x = 1,348.70