Finding the Fourth Proportional to 90,338.82, 135,554.49 and 43,007.46

Step by Step Solution

1. Step 1: Write the proportion equation
   90,338.82 : 135,554.49 = 43,007.46 : x
2. Step 2: Convert to fraction form
   90,338.82/135,554.49 = 43,007.46/x
3. Step 3: Cross multiply
   90,338.82x = 135,554.49 × 43,007.46
4. Step 4: Simplify right side
   90,338.82x = 5,829,854,306.50
5. Step 5: Solve for x
   x = 5,829,854,306.50/90,338.82
6. Step 6: Final answer
   x = 64,533.21