Finding the Fourth Proportional to 64,061.32, 88,379.20 and 42,806.92

Step by Step Solution

1. Step 1: Write the proportion equation
   64,061.32 : 88,379.20 = 42,806.92 : x
2. Step 2: Convert to fraction form
   64,061.32/88,379.20 = 42,806.92/x
3. Step 3: Cross multiply
   64,061.32x = 88,379.20 × 42,806.92
4. Step 4: Simplify right side
   64,061.32x = 3,783,241,344.06
5. Step 5: Solve for x
   x = 3,783,241,344.06/64,061.32
6. Step 6: Final answer
   x = 59,056.56