Finding the Fourth Proportional to 89,378.96, 123,349.38 and 59,111.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,378.96 : 123,349.38 = 59,111.96 : x
2. Step 2: Convert to fraction form
   89,378.96/123,349.38 = 59,111.96/x
3. Step 3: Cross multiply
   89,378.96x = 123,349.38 × 59,111.96
4. Step 4: Simplify right side
   89,378.96x = 7,291,423,616.58
5. Step 5: Solve for x
   x = 7,291,423,616.58/89,378.96
6. Step 6: Final answer
   x = 81,578.75