Finding the Fourth Proportional to 43,003.80, 64,513.86 and 14,922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   43,003.80 : 64,513.86 = 14,922.72 : x
2. Step 2: Convert to fraction form
   43,003.80/64,513.86 = 14,922.72/x
3. Step 3: Cross multiply
   43,003.80x = 64,513.86 × 14,922.72
4. Step 4: Simplify right side
   43,003.80x = 962,722,268.90
5. Step 5: Solve for x
   x = 962,722,268.90/43,003.80
6. Step 6: Final answer
   x = 22,386.91