Finding the Fourth Proportional to 43,113.98, 64,670.82 and 13,534.02

Step by Step Solution

1. Step 1: Write the proportion equation
   43,113.98 : 64,670.82 = 13,534.02 : x
2. Step 2: Convert to fraction form
   43,113.98/64,670.82 = 13,534.02/x
3. Step 3: Cross multiply
   43,113.98x = 64,670.82 × 13,534.02
4. Step 4: Simplify right side
   43,113.98x = 875,256,171.30
5. Step 5: Solve for x
   x = 875,256,171.30/43,113.98
6. Step 6: Final answer
   x = 20,300.99