Finding the Fourth Proportional to 71,645.65, 98,885.59 and 49,047.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,645.65 : 98,885.59 = 49,047.10 : x
2. Step 2: Convert to fraction form
   71,645.65/98,885.59 = 49,047.10/x
3. Step 3: Cross multiply
   71,645.65x = 98,885.59 × 49,047.10
4. Step 4: Simplify right side
   71,645.65x = 4,850,051,051.46
5. Step 5: Solve for x
   x = 4,850,051,051.46/71,645.65
6. Step 6: Final answer
   x = 67,694.99