Finding the Fourth Proportional to 140,025.29, 209,968.81 and 61,105.37

Step by Step Solution

1. Step 1: Write the proportion equation
   140,025.29 : 209,968.81 = 61,105.37 : x
2. Step 2: Convert to fraction form
   140,025.29/209,968.81 = 61,105.37/x
3. Step 3: Cross multiply
   140,025.29x = 209,968.81 × 61,105.37
4. Step 4: Simplify right side
   140,025.29x = 12,830,220,620.90
5. Step 5: Solve for x
   x = 12,830,220,620.90/140,025.29
6. Step 6: Final answer
   x = 91,627.88