Finding the Fourth Proportional to 37,112.99, 55,667.66 and 12,164.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,112.99 : 55,667.66 = 12,164.78 : x
2. Step 2: Convert to fraction form
   37,112.99/55,667.66 = 12,164.78/x
3. Step 3: Cross multiply
   37,112.99x = 55,667.66 × 12,164.78
4. Step 4: Simplify right side
   37,112.99x = 677,184,915.36
5. Step 5: Solve for x
   x = 677,184,915.36/37,112.99
6. Step 6: Final answer
   x = 18,246.58