Finding the Fourth Proportional to 112,189.08, 168,234.28 and 42,019.19

Step by Step Solution

1. Step 1: Write the proportion equation
   112,189.08 : 168,234.28 = 42,019.19 : x
2. Step 2: Convert to fraction form
   112,189.08/168,234.28 = 42,019.19/x
3. Step 3: Cross multiply
   112,189.08x = 168,234.28 × 42,019.19
4. Step 4: Simplify right side
   112,189.08x = 7,069,068,175.83
5. Step 5: Solve for x
   x = 7,069,068,175.83/112,189.08
6. Step 6: Final answer
   x = 63,010.31