Finding the Fourth Proportional to 48,435.82, 72,609.72 and 43,187.02

Step by Step Solution

1. Step 1: Write the proportion equation
   48,435.82 : 72,609.72 = 43,187.02 : x
2. Step 2: Convert to fraction form
   48,435.82/72,609.72 = 43,187.02/x
3. Step 3: Cross multiply
   48,435.82x = 72,609.72 × 43,187.02
4. Step 4: Simplify right side
   48,435.82x = 3,135,797,429.83
5. Step 5: Solve for x
   x = 3,135,797,429.83/48,435.82
6. Step 6: Final answer
   x = 64,741.29