Finding the Fourth Proportional to 37,788.51, 52,155.05 and 21,874.44

Step by Step Solution

1. Step 1: Write the proportion equation
   37,788.51 : 52,155.05 = 21,874.44 : x
2. Step 2: Convert to fraction form
   37,788.51/52,155.05 = 21,874.44/x
3. Step 3: Cross multiply
   37,788.51x = 52,155.05 × 21,874.44
4. Step 4: Simplify right side
   37,788.51x = 1,140,862,402.55
5. Step 5: Solve for x
   x = 1,140,862,402.55/37,788.51
6. Step 6: Final answer
   x = 30,190.72