Finding the Fourth Proportional to 74,817.18, 103,233.96 and 42,987.42

Step by Step Solution

1. Step 1: Write the proportion equation
   74,817.18 : 103,233.96 = 42,987.42 : x
2. Step 2: Convert to fraction form
   74,817.18/103,233.96 = 42,987.42/x
3. Step 3: Cross multiply
   74,817.18x = 103,233.96 × 42,987.42
4. Step 4: Simplify right side
   74,817.18x = 4,437,761,596.78
5. Step 5: Solve for x
   x = 4,437,761,596.78/74,817.18
6. Step 6: Final answer
   x = 59,314.74