Finding the Fourth Proportional to 46,453, 69,661.86 and 19,782.16

Step by Step Solution

1. Step 1: Write the proportion equation
   46,453 : 69,661.86 = 19,782.16 : x
2. Step 2: Convert to fraction form
   46,453/69,661.86 = 19,782.16/x
3. Step 3: Cross multiply
   46,453x = 69,661.86 × 19,782.16
4. Step 4: Simplify right side
   46,453x = 1,378,062,060.42
5. Step 5: Solve for x
   x = 1,378,062,060.42/46,453
6. Step 6: Final answer
   x = 29,665.73