Finding the Fourth Proportional to 112,173.33, 168,210.72 and 42,003.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,173.33 : 168,210.72 = 42,003.42 : x
2. Step 2: Convert to fraction form
   112,173.33/168,210.72 = 42,003.42/x
3. Step 3: Cross multiply
   112,173.33x = 168,210.72 × 42,003.42
4. Step 4: Simplify right side
   112,173.33x = 7,065,425,520.66
5. Step 5: Solve for x
   x = 7,065,425,520.66/112,173.33
6. Step 6: Final answer
   x = 62,986.68