Finding the Fourth Proportional to 109,811.16, 164,603.61 and 43,224.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,811.16 : 164,603.61 = 43,224.30 : x
2. Step 2: Convert to fraction form
   109,811.16/164,603.61 = 43,224.30/x
3. Step 3: Cross multiply
   109,811.16x = 164,603.61 × 43,224.30
4. Step 4: Simplify right side
   109,811.16x = 7,114,875,819.72
5. Step 5: Solve for x
   x = 7,114,875,819.72/109,811.16
6. Step 6: Final answer
   x = 64,791.92