Finding the Fourth Proportional to 58,057.98, 86,963.95 and 43,861.61

Step by Step Solution

1. Step 1: Write the proportion equation
   58,057.98 : 86,963.95 = 43,861.61 : x
2. Step 2: Convert to fraction form
   58,057.98/86,963.95 = 43,861.61/x
3. Step 3: Cross multiply
   58,057.98x = 86,963.95 × 43,861.61
4. Step 4: Simplify right side
   58,057.98x = 3,814,379,099.29
5. Step 5: Solve for x
   x = 3,814,379,099.29/58,057.98
6. Step 6: Final answer
   x = 65,699.48