Finding the Fourth Proportional to 101,020.94, 139,377.98 and 58,571.00

Step by Step Solution

1. Step 1: Write the proportion equation
   101,020.94 : 139,377.98 = 58,571.00 : x
2. Step 2: Convert to fraction form
   101,020.94/139,377.98 = 58,571.00/x
3. Step 3: Cross multiply
   101,020.94x = 139,377.98 × 58,571.00
4. Step 4: Simplify right side
   101,020.94x = 8,163,506,969.69
5. Step 5: Solve for x
   x = 8,163,506,969.69/101,020.94
6. Step 6: Final answer
   x = 80,810.05