Finding the Fourth Proportional to 151,906.86, 228,003.30 and 77,080.73

Step by Step Solution

1. Step 1: Write the proportion equation
   151,906.86 : 228,003.30 = 77,080.73 : x
2. Step 2: Convert to fraction form
   151,906.86/228,003.30 = 77,080.73/x
3. Step 3: Cross multiply
   151,906.86x = 228,003.30 × 77,080.73
4. Step 4: Simplify right side
   151,906.86x = 17,574,659,666.39
5. Step 5: Solve for x
   x = 17,574,659,666.39/151,906.86
6. Step 6: Final answer
   x = 115,693.65