Finding the Fourth Proportional to 37,276.21, 51,443.31 and 21,363.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,276.21 : 51,443.31 = 21,363.31 : x
2. Step 2: Convert to fraction form
   37,276.21/51,443.31 = 21,363.31/x
3. Step 3: Cross multiply
   37,276.21x = 51,443.31 × 21,363.31
4. Step 4: Simplify right side
   37,276.21x = 1,098,999,378.96
5. Step 5: Solve for x
   x = 1,098,999,378.96/37,276.21
6. Step 6: Final answer
   x = 29,482.59