Finding the Fourth Proportional to 111,781.21, 154,276.04 and 65,848.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111,781.21 : 154,276.04 = 65,848.27 : x
2. Step 2: Convert to fraction form
   111,781.21/154,276.04 = 65,848.27/x
3. Step 3: Cross multiply
   111,781.21x = 154,276.04 × 65,848.27
4. Step 4: Simplify right side
   111,781.21x = 10,158,810,336.45
5. Step 5: Solve for x
   x = 10,158,810,336.45/111,781.21
6. Step 6: Final answer
   x = 90,881.20