Finding the Fourth Proportional to 89,681.31, 134,503.61 and 33,511.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,681.31 : 134,503.61 = 33,511.05 : x
2. Step 2: Convert to fraction form
   89,681.31/134,503.61 = 33,511.05/x
3. Step 3: Cross multiply
   89,681.31x = 134,503.61 × 33,511.05
4. Step 4: Simplify right side
   89,681.31x = 4,507,357,032.34
5. Step 5: Solve for x
   x = 4,507,357,032.34/89,681.31
6. Step 6: Final answer
   x = 50,259.71