Finding the Fourth Proportional to 89,272.71, 133,973.82 and 33,120.86

Step by Step Solution

1. Step 1: Write the proportion equation
   89,272.71 : 133,973.82 = 33,120.86 : x
2. Step 2: Convert to fraction form
   89,272.71/133,973.82 = 33,120.86/x
3. Step 3: Cross multiply
   89,272.71x = 133,973.82 × 33,120.86
4. Step 4: Simplify right side
   89,272.71x = 4,437,327,466.02
5. Step 5: Solve for x
   x = 4,437,327,466.02/89,272.71
6. Step 6: Final answer
   x = 49,705.31