Finding the Fourth Proportional to 37,784.73, 52,142.08 and 21,868.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,784.73 : 52,142.08 = 21,868.86 : x
2. Step 2: Convert to fraction form
   37,784.73/52,142.08 = 21,868.86/x
3. Step 3: Cross multiply
   37,784.73x = 52,142.08 × 21,868.86
4. Step 4: Simplify right side
   37,784.73x = 1,140,287,847.63
5. Step 5: Solve for x
   x = 1,140,287,847.63/37,784.73
6. Step 6: Final answer
   x = 30,178.54