Finding the Fourth Proportional to 78,570.16, 108,438.50 and 46,294.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,570.16 : 108,438.50 = 46,294.48 : x
2. Step 2: Convert to fraction form
   78,570.16/108,438.50 = 46,294.48/x
3. Step 3: Cross multiply
   78,570.16x = 108,438.50 × 46,294.48
4. Step 4: Simplify right side
   78,570.16x = 5,020,103,969.48
5. Step 5: Solve for x
   x = 5,020,103,969.48/78,570.16
6. Step 6: Final answer
   x = 63,893.26