Finding the Fourth Proportional to 89,962.83, 135,031.71 and 43,248.51

Step by Step Solution

1. Step 1: Write the proportion equation
   89,962.83 : 135,031.71 = 43,248.51 : x
2. Step 2: Convert to fraction form
   89,962.83/135,031.71 = 43,248.51/x
3. Step 3: Cross multiply
   89,962.83x = 135,031.71 × 43,248.51
4. Step 4: Simplify right side
   89,962.83x = 5,839,920,260.25
5. Step 5: Solve for x
   x = 5,839,920,260.25/89,962.83
6. Step 6: Final answer
   x = 64,914.81