Finding the Fourth Proportional to 109,278, 163,942.92 and 35,406

Step by Step Solution

1. Step 1: Write the proportion equation
   109,278 : 163,942.92 = 35,406 : x
2. Step 2: Convert to fraction form
   109,278/163,942.92 = 35,406/x
3. Step 3: Cross multiply
   109,278x = 163,942.92 × 35,406
4. Step 4: Simplify right side
   109,278x = 5,804,563,025.52
5. Step 5: Solve for x
   x = 5,804,563,025.52/109,278
6. Step 6: Final answer
   x = 53,117.40