Finding the Fourth Proportional to 89,888.83, 134,790.26 and 42,464.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,888.83 : 134,790.26 = 42,464.34 : x
2. Step 2: Convert to fraction form
   89,888.83/134,790.26 = 42,464.34/x
3. Step 3: Cross multiply
   89,888.83x = 134,790.26 × 42,464.34
4. Step 4: Simplify right side
   89,888.83x = 5,723,779,429.33
5. Step 5: Solve for x
   x = 5,723,779,429.33/89,888.83
6. Step 6: Final answer
   x = 63,676.20