Finding the Fourth Proportional to 112,462.56, 155,196.24 and 62,160.48

Step by Step Solution

1. Step 1: Write the proportion equation
   112,462.56 : 155,196.24 = 62,160.48 : x
2. Step 2: Convert to fraction form
   112,462.56/155,196.24 = 62,160.48/x
3. Step 3: Cross multiply
   112,462.56x = 155,196.24 × 62,160.48
4. Step 4: Simplify right side
   112,462.56x = 9,647,072,772.60
5. Step 5: Solve for x
   x = 9,647,072,772.60/112,462.56
6. Step 6: Final answer
   x = 85,780.31