Finding the Fourth Proportional to 139,459.30, 192,453.86 and 75,797.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,459.30 : 192,453.86 = 75,797.10 : x
2. Step 2: Convert to fraction form
   139,459.30/192,453.86 = 75,797.10/x
3. Step 3: Cross multiply
   139,459.30x = 192,453.86 × 75,797.10
4. Step 4: Simplify right side
   139,459.30x = 14,587,444,471.81
5. Step 5: Solve for x
   x = 14,587,444,471.81/139,459.30
6. Step 6: Final answer
   x = 104,600.01