Finding the Fourth Proportional to 107,190.79, 147,990.17 and 69,016.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,190.79 : 147,990.17 = 69,016.52 : x
2. Step 2: Convert to fraction form
   107,190.79/147,990.17 = 69,016.52/x
3. Step 3: Cross multiply
   107,190.79x = 147,990.17 × 69,016.52
4. Step 4: Simplify right side
   107,190.79x = 10,213,766,527.61
5. Step 5: Solve for x
   x = 10,213,766,527.61/107,190.79
6. Step 6: Final answer
   x = 95,285.86