Finding the Fourth Proportional to 46,259.60, 69,339.72 and 19,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   46,259.60 : 69,339.72 = 19,976.72 : x
2. Step 2: Convert to fraction form
   46,259.60/69,339.72 = 19,976.72/x
3. Step 3: Cross multiply
   46,259.60x = 69,339.72 × 19,976.72
4. Step 4: Simplify right side
   46,259.60x = 1,385,180,171.32
5. Step 5: Solve for x
   x = 1,385,180,171.32/46,259.60
6. Step 6: Final answer
   x = 29,943.63