Finding the Fourth Proportional to 85,633.98, 118,214.55 and 49,810.92

Step by Step Solution

1. Step 1: Write the proportion equation
   85,633.98 : 118,214.55 = 49,810.92 : x
2. Step 2: Convert to fraction form
   85,633.98/118,214.55 = 49,810.92/x
3. Step 3: Cross multiply
   85,633.98x = 118,214.55 × 49,810.92
4. Step 4: Simplify right side
   85,633.98x = 5,888,375,492.89
5. Step 5: Solve for x
   x = 5,888,375,492.89/85,633.98
6. Step 6: Final answer
   x = 68,762.14