Finding the Fourth Proportional to 49,848.32, 68,798.22 and 30,991.52

Step by Step Solution

1. Step 1: Write the proportion equation
   49,848.32 : 68,798.22 = 30,991.52 : x
2. Step 2: Convert to fraction form
   49,848.32/68,798.22 = 30,991.52/x
3. Step 3: Cross multiply
   49,848.32x = 68,798.22 × 30,991.52
4. Step 4: Simplify right side
   49,848.32x = 2,132,161,411.09
5. Step 5: Solve for x
   x = 2,132,161,411.09/49,848.32
6. Step 6: Final answer
   x = 42,772.98