Finding the Fourth Proportional to 37,807.43, 52,171.16 and 21,892.91

Step by Step Solution

1. Step 1: Write the proportion equation
   37,807.43 : 52,171.16 = 21,892.91 : x
2. Step 2: Convert to fraction form
   37,807.43/52,171.16 = 21,892.91/x
3. Step 3: Cross multiply
   37,807.43x = 52,171.16 × 21,892.91
4. Step 4: Simplify right side
   37,807.43x = 1,142,178,140.16
5. Step 5: Solve for x
   x = 1,142,178,140.16/37,807.43
6. Step 6: Final answer
   x = 30,210.42