Finding the Fourth Proportional to 43,300.98, 64,953.30 and 13,718.16

Step by Step Solution

1. Step 1: Write the proportion equation
   43,300.98 : 64,953.30 = 13,718.16 : x
2. Step 2: Convert to fraction form
   43,300.98/64,953.30 = 13,718.16/x
3. Step 3: Cross multiply
   43,300.98x = 64,953.30 × 13,718.16
4. Step 4: Simplify right side
   43,300.98x = 891,039,761.93
5. Step 5: Solve for x
   x = 891,039,761.93/43,300.98
6. Step 6: Final answer
   x = 20,577.82