Finding the Fourth Proportional to 86,429, 119,272.02 and 48,704.60

Step by Step Solution

1. Step 1: Write the proportion equation
   86,429 : 119,272.02 = 48,704.60 : x
2. Step 2: Convert to fraction form
   86,429/119,272.02 = 48,704.60/x
3. Step 3: Cross multiply
   86,429x = 119,272.02 × 48,704.60
4. Step 4: Simplify right side
   86,429x = 5,809,096,025.29
5. Step 5: Solve for x
   x = 5,809,096,025.29/86,429
6. Step 6: Final answer
   x = 67,212.35