Finding the Fourth Proportional to 89,970.84, 135,043.72 and 43,256.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,970.84 : 135,043.72 = 43,256.52 : x
2. Step 2: Convert to fraction form
   89,970.84/135,043.72 = 43,256.52/x
3. Step 3: Cross multiply
   89,970.84x = 135,043.72 × 43,256.52
4. Step 4: Simplify right side
   89,970.84x = 5,841,521,375.05
5. Step 5: Solve for x
   x = 5,841,521,375.05/89,970.84
6. Step 6: Final answer
   x = 64,926.83