Finding the Fourth Proportional to 43,140.62, 64,667.10 and 32,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,140.62 : 64,667.10 = 32,730.50 : x
2. Step 2: Convert to fraction form
   43,140.62/64,667.10 = 32,730.50/x
3. Step 3: Cross multiply
   43,140.62x = 64,667.10 × 32,730.50
4. Step 4: Simplify right side
   43,140.62x = 2,116,586,516.55
5. Step 5: Solve for x
   x = 2,116,586,516.55/43,140.62
6. Step 6: Final answer
   x = 49,062.50