Finding the Fourth Proportional to 64,253, 88,723.86 and 40,419.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,253 : 88,723.86 = 40,419.56 : x
2. Step 2: Convert to fraction form
   64,253/88,723.86 = 40,419.56/x
3. Step 3: Cross multiply
   64,253x = 88,723.86 × 40,419.56
4. Step 4: Simplify right side
   64,253x = 3,586,179,382.70
5. Step 5: Solve for x
   x = 3,586,179,382.70/64,253
6. Step 6: Final answer
   x = 55,813.42