Finding the Fourth Proportional to 71,300.66, 107,056.12 and 39,772.32

Step by Step Solution

1. Step 1: Write the proportion equation
   71,300.66 : 107,056.12 = 39,772.32 : x
2. Step 2: Convert to fraction form
   71,300.66/107,056.12 = 39,772.32/x
3. Step 3: Cross multiply
   71,300.66x = 107,056.12 × 39,772.32
4. Step 4: Simplify right side
   71,300.66x = 4,257,870,262.60
5. Step 5: Solve for x
   x = 4,257,870,262.60/71,300.66
6. Step 6: Final answer
   x = 59,717.12