Finding the Fourth Proportional to 52,210.77, 72,018.09 and 30,975

Step by Step Solution

1. Step 1: Write the proportion equation
   52,210.77 : 72,018.09 = 30,975 : x
2. Step 2: Convert to fraction form
   52,210.77/72,018.09 = 30,975/x
3. Step 3: Cross multiply
   52,210.77x = 72,018.09 × 30,975
4. Step 4: Simplify right side
   52,210.77x = 2,230,760,337.75
5. Step 5: Solve for x
   x = 2,230,760,337.75/52,210.77
6. Step 6: Final answer
   x = 42,726.06