Finding the Fourth Proportional to 110,261.27, 152,137.37 and 72,077.03

Step by Step Solution

1. Step 1: Write the proportion equation
   110,261.27 : 152,137.37 = 72,077.03 : x
2. Step 2: Convert to fraction form
   110,261.27/152,137.37 = 72,077.03/x
3. Step 3: Cross multiply
   110,261.27x = 152,137.37 × 72,077.03
4. Step 4: Simplify right side
   110,261.27x = 10,965,609,781.61
5. Step 5: Solve for x
   x = 10,965,609,781.61/110,261.27
6. Step 6: Final answer
   x = 99,451.15