Finding the Fourth Proportional to 113,175.20, 156,184.72 and 67,860.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,175.20 : 156,184.72 = 67,860.56 : x
2. Step 2: Convert to fraction form
   113,175.20/156,184.72 = 67,860.56/x
3. Step 3: Cross multiply
   113,175.20x = 156,184.72 × 67,860.56
4. Step 4: Simplify right side
   113,175.20x = 10,598,782,562.64
5. Step 5: Solve for x
   x = 10,598,782,562.64/113,175.20
6. Step 6: Final answer
   x = 93,649.34