Finding the Fourth Proportional to 74,579.33, 102,896.27 and 42,308.62

Step by Step Solution

1. Step 1: Write the proportion equation
   74,579.33 : 102,896.27 = 42,308.62 : x
2. Step 2: Convert to fraction form
   74,579.33/102,896.27 = 42,308.62/x
3. Step 3: Cross multiply
   74,579.33x = 102,896.27 × 42,308.62
4. Step 4: Simplify right side
   74,579.33x = 4,353,399,186.85
5. Step 5: Solve for x
   x = 4,353,399,186.85/74,579.33
6. Step 6: Final answer
   x = 58,372.73