Finding the Fourth Proportional to 42,976.32, 64,563.30 and 30,526.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,976.32 : 64,563.30 = 30,526.62 : x
2. Step 2: Convert to fraction form
   42,976.32/64,563.30 = 30,526.62/x
3. Step 3: Cross multiply
   42,976.32x = 64,563.30 × 30,526.62
4. Step 4: Simplify right side
   42,976.32x = 1,970,899,325.05
5. Step 5: Solve for x
   x = 1,970,899,325.05/42,976.32
6. Step 6: Final answer
   x = 45,860.12