Finding the Fourth Proportional to 89,268.47, 133,837.08 and 42,554.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,268.47 : 133,837.08 = 42,554.15 : x
2. Step 2: Convert to fraction form
   89,268.47/133,837.08 = 42,554.15/x
3. Step 3: Cross multiply
   89,268.47x = 133,837.08 × 42,554.15
4. Step 4: Simplify right side
   89,268.47x = 5,695,322,508.70
5. Step 5: Solve for x
   x = 5,695,322,508.70/89,268.47
6. Step 6: Final answer
   x = 63,799.94