Finding the Fourth Proportional to 39,967.02, 55,156.32 and 22,976.78

Step by Step Solution

1. Step 1: Write the proportion equation
   39,967.02 : 55,156.32 = 22,976.78 : x
2. Step 2: Convert to fraction form
   39,967.02/55,156.32 = 22,976.78/x
3. Step 3: Cross multiply
   39,967.02x = 55,156.32 × 22,976.78
4. Step 4: Simplify right side
   39,967.02x = 1,267,314,354.47
5. Step 5: Solve for x
   x = 1,267,314,354.47/39,967.02
6. Step 6: Final answer
   x = 31,709.00