Finding the Fourth Proportional to 72,295.94, 99,768.90 and 42,098.87

Step by Step Solution

1. Step 1: Write the proportion equation
   72,295.94 : 99,768.90 = 42,098.87 : x
2. Step 2: Convert to fraction form
   72,295.94/99,768.90 = 42,098.87/x
3. Step 3: Cross multiply
   72,295.94x = 99,768.90 × 42,098.87
4. Step 4: Simplify right side
   72,295.94x = 4,200,157,452.30
5. Step 5: Solve for x
   x = 4,200,157,452.30/72,295.94
6. Step 6: Final answer
   x = 58,096.73