Finding the Fourth Proportional to 109,483.97, 163,906.09 and 98,978.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109,483.97 : 163,906.09 = 98,978.27 : x
2. Step 2: Convert to fraction form
   109,483.97/163,906.09 = 98,978.27/x
3. Step 3: Cross multiply
   109,483.97x = 163,906.09 × 98,978.27
4. Step 4: Simplify right side
   109,483.97x = 16,223,141,230.66
5. Step 5: Solve for x
   x = 16,223,141,230.66/109,483.97
6. Step 6: Final answer
   x = 148,178.23