Finding the Fourth Proportional to 118,746, 163,870.56 and 81,019.44

Step by Step Solution

1. Step 1: Write the proportion equation
   118,746 : 163,870.56 = 81,019.44 : x
2. Step 2: Convert to fraction form
   118,746/163,870.56 = 81,019.44/x
3. Step 3: Cross multiply
   118,746x = 163,870.56 × 81,019.44
4. Step 4: Simplify right side
   118,746x = 13,276,701,003.69
5. Step 5: Solve for x
   x = 13,276,701,003.69/118,746
6. Step 6: Final answer
   x = 111,807.56