Finding the Fourth Proportional to 62,756.72, 86,613 and 38,890.16

Step by Step Solution

1. Step 1: Write the proportion equation
   62,756.72 : 86,613 = 38,890.16 : x
2. Step 2: Convert to fraction form
   62,756.72/86,613 = 38,890.16/x
3. Step 3: Cross multiply
   62,756.72x = 86,613 × 38,890.16
4. Step 4: Simplify right side
   62,756.72x = 3,368,393,428.08
5. Step 5: Solve for x
   x = 3,368,393,428.08/62,756.72
6. Step 6: Final answer
   x = 53,673.83