Finding the Fourth Proportional to 118,019.51, 176,857.54 and 72,944.63

Step by Step Solution

1. Step 1: Write the proportion equation
   118,019.51 : 176,857.54 = 72,944.63 : x
2. Step 2: Convert to fraction form
   118,019.51/176,857.54 = 72,944.63/x
3. Step 3: Cross multiply
   118,019.51x = 176,857.54 × 72,944.63
4. Step 4: Simplify right side
   118,019.51x = 12,900,807,818.01
5. Step 5: Solve for x
   x = 12,900,807,818.01/118,019.51
6. Step 6: Final answer
   x = 109,310.81