Finding the Fourth Proportional to 43,142.62, 64,670.10 and 32,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,142.62 : 64,670.10 = 32,732.50 : x
2. Step 2: Convert to fraction form
   43,142.62/64,670.10 = 32,732.50/x
3. Step 3: Cross multiply
   43,142.62x = 64,670.10 × 32,732.50
4. Step 4: Simplify right side
   43,142.62x = 2,116,814,048.25
5. Step 5: Solve for x
   x = 2,116,814,048.25/43,142.62
6. Step 6: Final answer
   x = 49,065.50