Finding the Fourth Proportional to 7,977.55, 10,997.61 and 5,612.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,977.55 : 10,997.61 = 5,612.35 : x
2. Step 2: Convert to fraction form
   7,977.55/10,997.61 = 5,612.35/x
3. Step 3: Cross multiply
   7,977.55x = 10,997.61 × 5,612.35
4. Step 4: Simplify right side
   7,977.55x = 61,722,436.48
5. Step 5: Solve for x
   x = 61,722,436.48/7,977.55
6. Step 6: Final answer
   x = 7,737.02