Finding the Fourth Proportional to 37,805.28, 52,164.88 and 21,886.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,805.28 : 52,164.88 = 21,886.96 : x
2. Step 2: Convert to fraction form
   37,805.28/52,164.88 = 21,886.96/x
3. Step 3: Cross multiply
   37,805.28x = 52,164.88 × 21,886.96
4. Step 4: Simplify right side
   37,805.28x = 1,141,730,641.96
5. Step 5: Solve for x
   x = 1,141,730,641.96/37,805.28
6. Step 6: Final answer
   x = 30,200.30