Finding the Fourth Proportional to 37,388.42, 56,061.62 and 12,415.10

Step by Step Solution

1. Step 1: Write the proportion equation
   37,388.42 : 56,061.62 = 12,415.10 : x
2. Step 2: Convert to fraction form
   37,388.42/56,061.62 = 12,415.10/x
3. Step 3: Cross multiply
   37,388.42x = 56,061.62 × 12,415.10
4. Step 4: Simplify right side
   37,388.42x = 696,010,618.46
5. Step 5: Solve for x
   x = 696,010,618.46/37,388.42
6. Step 6: Final answer
   x = 18,615.67