Finding the Fourth Proportional to 74,770.56, 103,176.72 and 42,936.48

Step by Step Solution

1. Step 1: Write the proportion equation
   74,770.56 : 103,176.72 = 42,936.48 : x
2. Step 2: Convert to fraction form
   74,770.56/103,176.72 = 42,936.48/x
3. Step 3: Cross multiply
   74,770.56x = 103,176.72 × 42,936.48
4. Step 4: Simplify right side
   74,770.56x = 4,430,045,174.75
5. Step 5: Solve for x
   x = 4,430,045,174.75/74,770.56
6. Step 6: Final answer
   x = 59,248.52