Finding the Fourth Proportional to 43,653.72, 65,113.35 and 42,341.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,653.72 : 65,113.35 = 42,341.88 : x
2. Step 2: Convert to fraction form
   43,653.72/65,113.35 = 42,341.88/x
3. Step 3: Cross multiply
   43,653.72x = 65,113.35 × 42,341.88
4. Step 4: Simplify right side
   43,653.72x = 2,757,021,652.10
5. Step 5: Solve for x
   x = 2,757,021,652.10/43,653.72
6. Step 6: Final answer
   x = 63,156.63