Finding the Fourth Proportional to 151,900.31, 227,993.47 and 77,074.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,900.31 : 227,993.47 = 77,074.15 : x
2. Step 2: Convert to fraction form
   151,900.31/227,993.47 = 77,074.15/x
3. Step 3: Cross multiply
   151,900.31x = 227,993.47 × 77,074.15
4. Step 4: Simplify right side
   151,900.31x = 17,572,402,570.62
5. Step 5: Solve for x
   x = 17,572,402,570.62/151,900.31
6. Step 6: Final answer
   x = 115,683.79