Finding the Fourth Proportional to 187,074.16, 258,168.01 and 102,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   187,074.16 : 258,168.01 = 102,196.69 : x
2. Step 2: Convert to fraction form
   187,074.16/258,168.01 = 102,196.69/x
3. Step 3: Cross multiply
   187,074.16x = 258,168.01 × 102,196.69
4. Step 4: Simplify right side
   187,074.16x = 26,383,916,085.89
5. Step 5: Solve for x
   x = 26,383,916,085.89/187,074.16
6. Step 6: Final answer
   x = 141,034.53