Finding the Fourth Proportional to 37,855.50, 52,242.39 and 21,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,855.50 : 52,242.39 = 21,088.50 : x
2. Step 2: Convert to fraction form
   37,855.50/52,242.39 = 21,088.50/x
3. Step 3: Cross multiply
   37,855.50x = 52,242.39 × 21,088.50
4. Step 4: Simplify right side
   37,855.50x = 1,101,713,641.52
5. Step 5: Solve for x
   x = 1,101,713,641.52/37,855.50
6. Step 6: Final answer
   x = 29,103.13