Finding the Fourth Proportional to 37,875.38, 52,269.81 and 21,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,875.38 : 52,269.81 = 21,108.50 : x
2. Step 2: Convert to fraction form
   37,875.38/52,269.81 = 21,108.50/x
3. Step 3: Cross multiply
   37,875.38x = 52,269.81 × 21,108.50
4. Step 4: Simplify right side
   37,875.38x = 1,103,337,284.39
5. Step 5: Solve for x
   x = 1,103,337,284.39/37,875.38
6. Step 6: Final answer
   x = 29,130.73