Finding the Fourth Proportional to 37,356.56, 56,041.50 and 12,398.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,356.56 : 56,041.50 = 12,398.12 : x
2. Step 2: Convert to fraction form
   37,356.56/56,041.50 = 12,398.12/x
3. Step 3: Cross multiply
   37,356.56x = 56,041.50 × 12,398.12
4. Step 4: Simplify right side
   37,356.56x = 694,809,241.98
5. Step 5: Solve for x
   x = 694,809,241.98/37,356.56
6. Step 6: Final answer
   x = 18,599.39