Finding the Fourth Proportional to 109,589.09, 164,399.09 and 42,993.09

Step by Step Solution

1. Step 1: Write the proportion equation
   109,589.09 : 164,399.09 = 42,993.09 : x
2. Step 2: Convert to fraction form
   109,589.09/164,399.09 = 42,993.09/x
3. Step 3: Cross multiply
   109,589.09x = 164,399.09 × 42,993.09
4. Step 4: Simplify right side
   109,589.09x = 7,068,024,657.32
5. Step 5: Solve for x
   x = 7,068,024,657.32/109,589.09
6. Step 6: Final answer
   x = 64,495.70