Finding the Fourth Proportional to 189,029.40, 260,865.27 and 116,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   189,029.40 : 260,865.27 = 116,404.80 : x
2. Step 2: Convert to fraction form
   189,029.40/260,865.27 = 116,404.80/x
3. Step 3: Cross multiply
   189,029.40x = 260,865.27 × 116,404.80
4. Step 4: Simplify right side
   189,029.40x = 30,365,969,581.30
5. Step 5: Solve for x
   x = 30,365,969,581.30/189,029.40
6. Step 6: Final answer
   x = 160,641.52