Finding the Fourth Proportional to 86,046.69, 129,103.13 and 41,670.03

Step by Step Solution

1. Step 1: Write the proportion equation
   86,046.69 : 129,103.13 = 41,670.03 : x
2. Step 2: Convert to fraction form
   86,046.69/129,103.13 = 41,670.03/x
3. Step 3: Cross multiply
   86,046.69x = 129,103.13 × 41,670.03
4. Step 4: Simplify right side
   86,046.69x = 5,379,731,404.37
5. Step 5: Solve for x
   x = 5,379,731,404.37/86,046.69
6. Step 6: Final answer
   x = 62,521.07