Finding the Fourth Proportional to 74,052.84, 102,086.61 and 52,795.20

Step by Step Solution

1. Step 1: Write the proportion equation
   74,052.84 : 102,086.61 = 52,795.20 : x
2. Step 2: Convert to fraction form
   74,052.84/102,086.61 = 52,795.20/x
3. Step 3: Cross multiply
   74,052.84x = 102,086.61 × 52,795.20
4. Step 4: Simplify right side
   74,052.84x = 5,389,682,992.27
5. Step 5: Solve for x
   x = 5,389,682,992.27/74,052.84
6. Step 6: Final answer
   x = 72,781.58