Finding the Fourth Proportional to 195,033,168.72, 269,146,132.44 and 105,724,836.72

Step by Step Solution

1. Step 1: Write the proportion equation
   195,033,168.72 : 269,146,132.44 = 105,724,836.72 : x
2. Step 2: Convert to fraction form
   195,033,168.72/269,146,132.44 = 105,724,836.72/x
3. Step 3: Cross multiply
   195,033,168.72x = 269,146,132.44 × 105,724,836.72
4. Step 4: Simplify right side
   195,033,168.72x = 28,455,430,906,038,496
5. Step 5: Solve for x
   x = 28,455,430,906,038,496/195,033,168.72
6. Step 6: Final answer
   x = 145,900,469.61