Finding the Fourth Proportional to 71,606.34, 98,814.78 and 39,774.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,606.34 : 98,814.78 = 39,774.42 : x
2. Step 2: Convert to fraction form
   71,606.34/98,814.78 = 39,774.42/x
3. Step 3: Cross multiply
   71,606.34x = 98,814.78 × 39,774.42
4. Step 4: Simplify right side
   71,606.34x = 3,930,300,561.93
5. Step 5: Solve for x
   x = 3,930,300,561.93/71,606.34
6. Step 6: Final answer
   x = 54,887.61