Finding the Fourth Proportional to 50,037.31, 69,027.63 and 30,910.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,037.31 : 69,027.63 = 30,910.20 : x
2. Step 2: Convert to fraction form
   50,037.31/69,027.63 = 30,910.20/x
3. Step 3: Cross multiply
   50,037.31x = 69,027.63 × 30,910.20
4. Step 4: Simplify right side
   50,037.31x = 2,133,657,848.83
5. Step 5: Solve for x
   x = 2,133,657,848.83/50,037.31
6. Step 6: Final answer
   x = 42,641.34