Finding the Fourth Proportional to 37,896.90, 52,298.06 and 20,901.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,896.90 : 52,298.06 = 20,901.80 : x
2. Step 2: Convert to fraction form
   37,896.90/52,298.06 = 20,901.80/x
3. Step 3: Cross multiply
   37,896.90x = 52,298.06 × 20,901.80
4. Step 4: Simplify right side
   37,896.90x = 1,093,123,590.51
5. Step 5: Solve for x
   x = 1,093,123,590.51/37,896.90
6. Step 6: Final answer
   x = 28,844.67