Finding the Fourth Proportional to 37,820.73, 52,188.12 and 21,902.07

Step by Step Solution

1. Step 1: Write the proportion equation
   37,820.73 : 52,188.12 = 21,902.07 : x
2. Step 2: Convert to fraction form
   37,820.73/52,188.12 = 21,902.07/x
3. Step 3: Cross multiply
   37,820.73x = 52,188.12 × 21,902.07
4. Step 4: Simplify right side
   37,820.73x = 1,143,027,857.41
5. Step 5: Solve for x
   x = 1,143,027,857.41/37,820.73
6. Step 6: Final answer
   x = 30,222.26