Finding the Fourth Proportional to 101,152.62, 151,606.05 and 71,579.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,152.62 : 151,606.05 = 71,579.10 : x
2. Step 2: Convert to fraction form
   101,152.62/151,606.05 = 71,579.10/x
3. Step 3: Cross multiply
   101,152.62x = 151,606.05 × 71,579.10
4. Step 4: Simplify right side
   101,152.62x = 10,851,824,613.56
5. Step 5: Solve for x
   x = 10,851,824,613.56/101,152.62
6. Step 6: Final answer
   x = 107,281.70