Finding the Fourth Proportional to 109,798.81, 164,707.94 and 30,913.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,798.81 : 164,707.94 = 30,913.72 : x
2. Step 2: Convert to fraction form
   109,798.81/164,707.94 = 30,913.72/x
3. Step 3: Cross multiply
   109,798.81x = 164,707.94 × 30,913.72
4. Step 4: Simplify right side
   109,798.81x = 5,091,735,138.94
5. Step 5: Solve for x
   x = 5,091,735,138.94/109,798.81
6. Step 6: Final answer
   x = 46,373.32