Finding the Fourth Proportional to 23,612.55, 35,393.85 and 7,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,612.55 : 35,393.85 = 7,813.50 : x
2. Step 2: Convert to fraction form
   23,612.55/35,393.85 = 7,813.50/x
3. Step 3: Cross multiply
   23,612.55x = 35,393.85 × 7,813.50
4. Step 4: Simplify right side
   23,612.55x = 276,549,846.98
5. Step 5: Solve for x
   x = 276,549,846.98/23,612.55
6. Step 6: Final answer
   x = 11,711.99