Finding the Fourth Proportional to 112,387.83, 168,606.39 and 42,267.15

Step by Step Solution

1. Step 1: Write the proportion equation
   112,387.83 : 168,606.39 = 42,267.15 : x
2. Step 2: Convert to fraction form
   112,387.83/168,606.39 = 42,267.15/x
3. Step 3: Cross multiply
   112,387.83x = 168,606.39 × 42,267.15
4. Step 4: Simplify right side
   112,387.83x = 7,126,511,577.09
5. Step 5: Solve for x
   x = 7,126,511,577.09/112,387.83
6. Step 6: Final answer
   x = 63,409.99