Finding the Fourth Proportional to 49,263.31, 73,833 and 21,150.10

Step by Step Solution

1. Step 1: Write the proportion equation
   49,263.31 : 73,833 = 21,150.10 : x
2. Step 2: Convert to fraction form
   49,263.31/73,833 = 21,150.10/x
3. Step 3: Cross multiply
   49,263.31x = 73,833 × 21,150.10
4. Step 4: Simplify right side
   49,263.31x = 1,561,575,333.30
5. Step 5: Solve for x
   x = 1,561,575,333.30/49,263.31
6. Step 6: Final answer
   x = 31,698.55