Finding the Fourth Proportional to 37,885, 52,281.54 and 21,118.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,885 : 52,281.54 = 21,118.12 : x
2. Step 2: Convert to fraction form
   37,885/52,281.54 = 21,118.12/x
3. Step 3: Cross multiply
   37,885x = 52,281.54 × 21,118.12
4. Step 4: Simplify right side
   37,885x = 1,104,087,835.50
5. Step 5: Solve for x
   x = 1,104,087,835.50/37,885
6. Step 6: Final answer
   x = 29,143.14