Finding the Fourth Proportional to 37,545.78, 51,816.72 and 20,784.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,545.78 : 51,816.72 = 20,784.18 : x
2. Step 2: Convert to fraction form
   37,545.78/51,816.72 = 20,784.18/x
3. Step 3: Cross multiply
   37,545.78x = 51,816.72 × 20,784.18
4. Step 4: Simplify right side
   37,545.78x = 1,076,968,035.49
5. Step 5: Solve for x
   x = 1,076,968,035.49/37,545.78
6. Step 6: Final answer
   x = 28,684.13