Finding the Fourth Proportional to 212,495, 293,155.22 and 126,436.82

Step by Step Solution

1. Step 1: Write the proportion equation
   212,495 : 293,155.22 = 126,436.82 : x
2. Step 2: Convert to fraction form
   212,495/293,155.22 = 126,436.82/x
3. Step 3: Cross multiply
   212,495x = 293,155.22 × 126,436.82
4. Step 4: Simplify right side
   212,495x = 37,065,613,783.20
5. Step 5: Solve for x
   x = 37,065,613,783.20/212,495
6. Step 6: Final answer
   x = 174,430.52