Finding the Fourth Proportional to 104,288.68, 156,429.96 and 25,401.76

Step by Step Solution

1. Step 1: Write the proportion equation
   104,288.68 : 156,429.96 = 25,401.76 : x
2. Step 2: Convert to fraction form
   104,288.68/156,429.96 = 25,401.76/x
3. Step 3: Cross multiply
   104,288.68x = 156,429.96 × 25,401.76
4. Step 4: Simplify right side
   104,288.68x = 3,973,596,300.73
5. Step 5: Solve for x
   x = 3,973,596,300.73/104,288.68
6. Step 6: Final answer
   x = 38,101.89