Finding the Fourth Proportional to 37,827.61, 52,200.25 and 21,917.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,827.61 : 52,200.25 = 21,917.18 : x
2. Step 2: Convert to fraction form
   37,827.61/52,200.25 = 21,917.18/x
3. Step 3: Cross multiply
   37,827.61x = 52,200.25 × 21,917.18
4. Step 4: Simplify right side
   37,827.61x = 1,144,082,351.00
5. Step 5: Solve for x
   x = 1,144,082,351.00/37,827.61
6. Step 6: Final answer
   x = 30,244.64