Finding the Fourth Proportional to 78,573.56, 108,412.58 and 46,309.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,573.56 : 108,412.58 = 46,309.46 : x
2. Step 2: Convert to fraction form
   78,573.56/108,412.58 = 46,309.46/x
3. Step 3: Cross multiply
   78,573.56x = 108,412.58 × 46,309.46
4. Step 4: Simplify right side
   78,573.56x = 5,020,528,037.01
5. Step 5: Solve for x
   x = 5,020,528,037.01/78,573.56
6. Step 6: Final answer
   x = 63,895.90