Finding the Fourth Proportional to 112,573.06, 168,760.23 and 42,403.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,573.06 : 168,760.23 = 42,403.30 : x
2. Step 2: Convert to fraction form
   112,573.06/168,760.23 = 42,403.30/x
3. Step 3: Cross multiply
   112,573.06x = 168,760.23 × 42,403.30
4. Step 4: Simplify right side
   112,573.06x = 7,155,990,660.76
5. Step 5: Solve for x
   x = 7,155,990,660.76/112,573.06
6. Step 6: Final answer
   x = 63,567.52