Finding the Fourth Proportional to 74,772, 103,186.27 and 42,943.86

Step by Step Solution

1. Step 1: Write the proportion equation
   74,772 : 103,186.27 = 42,943.86 : x
2. Step 2: Convert to fraction form
   74,772/103,186.27 = 42,943.86/x
3. Step 3: Cross multiply
   74,772x = 103,186.27 × 42,943.86
4. Step 4: Simplify right side
   74,772x = 4,431,216,786.48
5. Step 5: Solve for x
   x = 4,431,216,786.48/74,772
6. Step 6: Final answer
   x = 59,263.05