Finding the Fourth Proportional to 140,970.18, 194,485.47 and 89,984.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,970.18 : 194,485.47 = 89,984.82 : x
2. Step 2: Convert to fraction form
   140,970.18/194,485.47 = 89,984.82/x
3. Step 3: Cross multiply
   140,970.18x = 194,485.47 × 89,984.82
4. Step 4: Simplify right side
   140,970.18x = 17,500,740,010.57
5. Step 5: Solve for x
   x = 17,500,740,010.57/140,970.18
6. Step 6: Final answer
   x = 124,144.98