Finding the Fourth Proportional to 122,136.72, 183,196.32 and 37,894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   122,136.72 : 183,196.32 = 37,894.72 : x
2. Step 2: Convert to fraction form
   122,136.72/183,196.32 = 37,894.72/x
3. Step 3: Cross multiply
   122,136.72x = 183,196.32 × 37,894.72
4. Step 4: Simplify right side
   122,136.72x = 6,942,173,251.43
5. Step 5: Solve for x
   x = 6,942,173,251.43/122,136.72
6. Step 6: Final answer
   x = 56,839.36