Finding the Fourth Proportional to 109,778.32, 164,652.90 and 30,899.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,778.32 : 164,652.90 = 30,899.31 : x
2. Step 2: Convert to fraction form
   109,778.32/164,652.90 = 30,899.31/x
3. Step 3: Cross multiply
   109,778.32x = 164,652.90 × 30,899.31
4. Step 4: Simplify right side
   109,778.32x = 5,087,660,999.50
5. Step 5: Solve for x
   x = 5,087,660,999.50/109,778.32
6. Step 6: Final answer
   x = 46,344.86