Finding the Fourth Proportional to 90,029.82, 135,073.89 and 43,276.62

Step by Step Solution

1. Step 1: Write the proportion equation
   90,029.82 : 135,073.89 = 43,276.62 : x
2. Step 2: Convert to fraction form
   90,029.82/135,073.89 = 43,276.62/x
3. Step 3: Cross multiply
   90,029.82x = 135,073.89 × 43,276.62
4. Step 4: Simplify right side
   90,029.82x = 5,845,541,409.45
5. Step 5: Solve for x
   x = 5,845,541,409.45/90,029.82
6. Step 6: Final answer
   x = 64,928.95