Finding the Fourth Proportional to 67,777.50, 93,526.23 and 39,099.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,777.50 : 93,526.23 = 39,099.78 : x
2. Step 2: Convert to fraction form
   67,777.50/93,526.23 = 39,099.78/x
3. Step 3: Cross multiply
   67,777.50x = 93,526.23 × 39,099.78
4. Step 4: Simplify right side
   67,777.50x = 3,656,855,017.23
5. Step 5: Solve for x
   x = 3,656,855,017.23/67,777.50
6. Step 6: Final answer
   x = 53,953.82