Finding the Fourth Proportional to 69,072.86, 95,228.79 and 45,158.42

Step by Step Solution

1. Step 1: Write the proportion equation
   69,072.86 : 95,228.79 = 45,158.42 : x
2. Step 2: Convert to fraction form
   69,072.86/95,228.79 = 45,158.42/x
3. Step 3: Cross multiply
   69,072.86x = 95,228.79 × 45,158.42
4. Step 4: Simplify right side
   69,072.86x = 4,300,381,694.91
5. Step 5: Solve for x
   x = 4,300,381,694.91/69,072.86
6. Step 6: Final answer
   x = 62,258.63