Finding the Fourth Proportional to 73,883.86, 110,853.12 and 52,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,883.86 : 110,853.12 = 52,990.72 : x
2. Step 2: Convert to fraction form
   73,883.86/110,853.12 = 52,990.72/x
3. Step 3: Cross multiply
   73,883.86x = 110,853.12 × 52,990.72
4. Step 4: Simplify right side
   73,883.86x = 5,874,186,643.05
5. Step 5: Solve for x
   x = 5,874,186,643.05/73,883.86
6. Step 6: Final answer
   x = 79,505.68