Finding the Fourth Proportional to 93,139.36, 139,673.77 and 39,829.10

Step by Step Solution

1. Step 1: Write the proportion equation
   93,139.36 : 139,673.77 = 39,829.10 : x
2. Step 2: Convert to fraction form
   93,139.36/139,673.77 = 39,829.10/x
3. Step 3: Cross multiply
   93,139.36x = 139,673.77 × 39,829.10
4. Step 4: Simplify right side
   93,139.36x = 5,563,079,754.77
5. Step 5: Solve for x
   x = 5,563,079,754.77/93,139.36
6. Step 6: Final answer
   x = 59,728.56