Finding the Fourth Proportional to 89,528.47, 134,112.49 and 41,429.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,528.47 : 134,112.49 = 41,429.28 : x
2. Step 2: Convert to fraction form
   89,528.47/134,112.49 = 41,429.28/x
3. Step 3: Cross multiply
   89,528.47x = 134,112.49 × 41,429.28
4. Step 4: Simplify right side
   89,528.47x = 5,556,183,899.71
5. Step 5: Solve for x
   x = 5,556,183,899.71/89,528.47
6. Step 6: Final answer
   x = 62,060.53