Finding the Fourth Proportional to 71,952.72, 107,903.16 and 30,402.96

Step by Step Solution

1. Step 1: Write the proportion equation
   71,952.72 : 107,903.16 = 30,402.96 : x
2. Step 2: Convert to fraction form
   71,952.72/107,903.16 = 30,402.96/x
3. Step 3: Cross multiply
   71,952.72x = 107,903.16 × 30,402.96
4. Step 4: Simplify right side
   71,952.72x = 3,280,575,457.35
5. Step 5: Solve for x
   x = 3,280,575,457.35/71,952.72
6. Step 6: Final answer
   x = 45,593.49