Finding the Fourth Proportional to 58,061.98, 86,969.94 and 43,865.62

Step by Step Solution

1. Step 1: Write the proportion equation
   58,061.98 : 86,969.94 = 43,865.62 : x
2. Step 2: Convert to fraction form
   58,061.98/86,969.94 = 43,865.62/x
3. Step 3: Cross multiply
   58,061.98x = 86,969.94 × 43,865.62
4. Step 4: Simplify right side
   58,061.98x = 3,814,990,339.46
5. Step 5: Solve for x
   x = 3,814,990,339.46/58,061.98
6. Step 6: Final answer
   x = 65,705.48