Finding the Fourth Proportional to 37,860.79, 52,247.17 and 21,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,860.79 : 52,247.17 = 21,946.72 : x
2. Step 2: Convert to fraction form
   37,860.79/52,247.17 = 21,946.72/x
3. Step 3: Cross multiply
   37,860.79x = 52,247.17 × 21,946.72
4. Step 4: Simplify right side
   37,860.79x = 1,146,653,907.60
5. Step 5: Solve for x
   x = 1,146,653,907.60/37,860.79
6. Step 6: Final answer
   x = 30,286.06