Finding the Fourth Proportional to 151,697.69, 227,686.29 and 76,870.84

Step by Step Solution

1. Step 1: Write the proportion equation
   151,697.69 : 227,686.29 = 76,870.84 : x
2. Step 2: Convert to fraction form
   151,697.69/227,686.29 = 76,870.84/x
3. Step 3: Cross multiply
   151,697.69x = 227,686.29 × 76,870.84
4. Step 4: Simplify right side
   151,697.69x = 17,502,436,368.78
5. Step 5: Solve for x
   x = 17,502,436,368.78/151,697.69
6. Step 6: Final answer
   x = 115,377.08