Finding the Fourth Proportional to 109,439.72, 164,184.96 and 34,567.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,439.72 : 164,184.96 = 34,567.28 : x
2. Step 2: Convert to fraction form
   109,439.72/164,184.96 = 34,567.28/x
3. Step 3: Cross multiply
   109,439.72x = 164,184.96 × 34,567.28
4. Step 4: Simplify right side
   109,439.72x = 5,675,427,484.11
5. Step 5: Solve for x
   x = 5,675,427,484.11/109,439.72
6. Step 6: Final answer
   x = 51,858.94