Finding the Fourth Proportional to 112,851.37, 155,693.64 and 67,530.61

Step by Step Solution

1. Step 1: Write the proportion equation
   112,851.37 : 155,693.64 = 67,530.61 : x
2. Step 2: Convert to fraction form
   112,851.37/155,693.64 = 67,530.61/x
3. Step 3: Cross multiply
   112,851.37x = 155,693.64 × 67,530.61
4. Step 4: Simplify right side
   112,851.37x = 10,514,086,482.32
5. Step 5: Solve for x
   x = 10,514,086,482.32/112,851.37
6. Step 6: Final answer
   x = 93,167.56