Finding the Fourth Proportional to 74,745.72, 103,149.72 and 42,914.16

Step by Step Solution

1. Step 1: Write the proportion equation
   74,745.72 : 103,149.72 = 42,914.16 : x
2. Step 2: Convert to fraction form
   74,745.72/103,149.72 = 42,914.16/x
3. Step 3: Cross multiply
   74,745.72x = 103,149.72 × 42,914.16
4. Step 4: Simplify right side
   74,745.72x = 4,426,583,588.04
5. Step 5: Solve for x
   x = 4,426,583,588.04/74,745.72
6. Step 6: Final answer
   x = 59,221.90