Finding the Fourth Proportional to 89,885.48, 134,857.34 and 43,141.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,885.48 : 134,857.34 = 43,141.96 : x
2. Step 2: Convert to fraction form
   89,885.48/134,857.34 = 43,141.96/x
3. Step 3: Cross multiply
   89,885.48x = 134,857.34 × 43,141.96
4. Step 4: Simplify right side
   89,885.48x = 5,818,009,967.99
5. Step 5: Solve for x
   x = 5,818,009,967.99/89,885.48
6. Step 6: Final answer
   x = 64,726.92