Finding the Fourth Proportional to 71,930.32, 99,276.78 and 45,096.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,930.32 : 99,276.78 = 45,096.10 : x
2. Step 2: Convert to fraction form
   71,930.32/99,276.78 = 45,096.10/x
3. Step 3: Cross multiply
   71,930.32x = 99,276.78 × 45,096.10
4. Step 4: Simplify right side
   71,930.32x = 4,476,995,598.56
5. Step 5: Solve for x
   x = 4,476,995,598.56/71,930.32
6. Step 6: Final answer
   x = 62,240.73