Finding the Fourth Proportional to 61,672.65, 85,107.32 and 34,449.10

Step by Step Solution

1. Step 1: Write the proportion equation
   61,672.65 : 85,107.32 = 34,449.10 : x
2. Step 2: Convert to fraction form
   61,672.65/85,107.32 = 34,449.10/x
3. Step 3: Cross multiply
   61,672.65x = 85,107.32 × 34,449.10
4. Step 4: Simplify right side
   61,672.65x = 2,931,870,994.09
5. Step 5: Solve for x
   x = 2,931,870,994.09/61,672.65
6. Step 6: Final answer
   x = 47,539.24