Finding the Fourth Proportional to 126,196.68, 189,272.82 and 46,218.12

Step by Step Solution

1. Step 1: Write the proportion equation
   126,196.68 : 189,272.82 = 46,218.12 : x
2. Step 2: Convert to fraction form
   126,196.68/189,272.82 = 46,218.12/x
3. Step 3: Cross multiply
   126,196.68x = 189,272.82 × 46,218.12
4. Step 4: Simplify right side
   126,196.68x = 8,747,833,907.50
5. Step 5: Solve for x
   x = 8,747,833,907.50/126,196.68
6. Step 6: Final answer
   x = 69,319.05