Finding the Fourth Proportional to 37,388.68, 56,061.99 and 12,415.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,388.68 : 56,061.99 = 12,415.37 : x
2. Step 2: Convert to fraction form
   37,388.68/56,061.99 = 12,415.37/x
3. Step 3: Cross multiply
   37,388.68x = 56,061.99 × 12,415.37
4. Step 4: Simplify right side
   37,388.68x = 696,030,068.48
5. Step 5: Solve for x
   x = 696,030,068.48/37,388.68
6. Step 6: Final answer
   x = 18,616.07