Finding the Fourth Proportional to 42,967.32, 64,549.80 and 30,517.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,967.32 : 64,549.80 = 30,517.62 : x
2. Step 2: Convert to fraction form
   42,967.32/64,549.80 = 30,517.62/x
3. Step 3: Cross multiply
   42,967.32x = 64,549.80 × 30,517.62
4. Step 4: Simplify right side
   42,967.32x = 1,969,906,267.48
5. Step 5: Solve for x
   x = 1,969,906,267.48/42,967.32
6. Step 6: Final answer
   x = 45,846.62