Finding the Fourth Proportional to 112,573.50, 168,860.20 and 42,436.41

Step by Step Solution

1. Step 1: Write the proportion equation
   112,573.50 : 168,860.20 = 42,436.41 : x
2. Step 2: Convert to fraction form
   112,573.50/168,860.20 = 42,436.41/x
3. Step 3: Cross multiply
   112,573.50x = 168,860.20 × 42,436.41
4. Step 4: Simplify right side
   112,573.50x = 7,165,820,679.88
5. Step 5: Solve for x
   x = 7,165,820,679.88/112,573.50
6. Step 6: Final answer
   x = 63,654.60