Finding the Fourth Proportional to 64,503.32, 88,972.17 and 40,609.94

Step by Step Solution

1. Step 1: Write the proportion equation
   64,503.32 : 88,972.17 = 40,609.94 : x
2. Step 2: Convert to fraction form
   64,503.32/88,972.17 = 40,609.94/x
3. Step 3: Cross multiply
   64,503.32x = 88,972.17 × 40,609.94
4. Step 4: Simplify right side
   64,503.32x = 3,613,154,485.37
5. Step 5: Solve for x
   x = 3,613,154,485.37/64,503.32
6. Step 6: Final answer
   x = 56,015.02