Finding the Fourth Proportional to 78,857.01, 108,861.71 and 48,658.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,857.01 : 108,861.71 = 48,658.98 : x
2. Step 2: Convert to fraction form
   78,857.01/108,861.71 = 48,658.98/x
3. Step 3: Cross multiply
   78,857.01x = 108,861.71 × 48,658.98
4. Step 4: Simplify right side
   78,857.01x = 5,297,099,526.36
5. Step 5: Solve for x
   x = 5,297,099,526.36/78,857.01
6. Step 6: Final answer
   x = 67,173.48