Finding the Fourth Proportional to 63,061.61, 86,934.60 and 49,609.51

Step by Step Solution

1. Step 1: Write the proportion equation
   63,061.61 : 86,934.60 = 49,609.51 : x
2. Step 2: Convert to fraction form
   63,061.61/86,934.60 = 49,609.51/x
3. Step 3: Cross multiply
   63,061.61x = 86,934.60 × 49,609.51
4. Step 4: Simplify right side
   63,061.61x = 4,312,782,690.71
5. Step 5: Solve for x
   x = 4,312,782,690.71/63,061.61
6. Step 6: Final answer
   x = 68,389.99