Finding the Fourth Proportional to 59,970, 82,681.68 and 49,175.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,970 : 82,681.68 = 49,175.12 : x
2. Step 2: Convert to fraction form
   59,970/82,681.68 = 49,175.12/x
3. Step 3: Cross multiply
   59,970x = 82,681.68 × 49,175.12
4. Step 4: Simplify right side
   59,970x = 4,065,881,535.80
5. Step 5: Solve for x
   x = 4,065,881,535.80/59,970
6. Step 6: Final answer
   x = 67,798.59