Finding the Fourth Proportional to 102,287.87, 153,431.50 and 46,062.15

Step by Step Solution

1. Step 1: Write the proportion equation
   102,287.87 : 153,431.50 = 46,062.15 : x
2. Step 2: Convert to fraction form
   102,287.87/153,431.50 = 46,062.15/x
3. Step 3: Cross multiply
   102,287.87x = 153,431.50 × 46,062.15
4. Step 4: Simplify right side
   102,287.87x = 7,067,384,767.73
5. Step 5: Solve for x
   x = 7,067,384,767.73/102,287.87
6. Step 6: Final answer
   x = 69,093.09