Finding the Fourth Proportional to 64,423.27, 88,903.94 and 36,129.57

Step by Step Solution

1. Step 1: Write the proportion equation
   64,423.27 : 88,903.94 = 36,129.57 : x
2. Step 2: Convert to fraction form
   64,423.27/88,903.94 = 36,129.57/x
3. Step 3: Cross multiply
   64,423.27x = 88,903.94 × 36,129.57
4. Step 4: Simplify right side
   64,423.27x = 3,212,061,123.51
5. Step 5: Solve for x
   x = 3,212,061,123.51/64,423.27
6. Step 6: Final answer
   x = 49,858.71