Finding the Fourth Proportional to 73,390.08, 101,280.72 and 43,170

Step by Step Solution

1. Step 1: Write the proportion equation
   73,390.08 : 101,280.72 = 43,170 : x
2. Step 2: Convert to fraction form
   73,390.08/101,280.72 = 43,170/x
3. Step 3: Cross multiply
   73,390.08x = 101,280.72 × 43,170
4. Step 4: Simplify right side
   73,390.08x = 4,372,288,682.40
5. Step 5: Solve for x
   x = 4,372,288,682.40/73,390.08
6. Step 6: Final answer
   x = 59,576.02