Finding the Fourth Proportional to 37,577.10, 56,366.18 and 12,276.48

Step by Step Solution

1. Step 1: Write the proportion equation
   37,577.10 : 56,366.18 = 12,276.48 : x
2. Step 2: Convert to fraction form
   37,577.10/56,366.18 = 12,276.48/x
3. Step 3: Cross multiply
   37,577.10x = 56,366.18 × 12,276.48
4. Step 4: Simplify right side
   37,577.10x = 691,978,281.45
5. Step 5: Solve for x
   x = 691,978,281.45/37,577.10
6. Step 6: Final answer
   x = 18,414.89