Finding the Fourth Proportional to 64,019.86, 88,347.47 and 35,725.54

Step by Step Solution

1. Step 1: Write the proportion equation
   64,019.86 : 88,347.47 = 35,725.54 : x
2. Step 2: Convert to fraction form
   64,019.86/88,347.47 = 35,725.54/x
3. Step 3: Cross multiply
   64,019.86x = 88,347.47 × 35,725.54
4. Step 4: Simplify right side
   64,019.86x = 3,156,260,720.96
5. Step 5: Solve for x
   x = 3,156,260,720.96/64,019.86
6. Step 6: Final answer
   x = 49,301.28