Finding the Fourth Proportional to 101,275.23, 139,759.83 and 58,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,275.23 : 139,759.83 = 58,836.50 : x
2. Step 2: Convert to fraction form
   101,275.23/139,759.83 = 58,836.50/x
3. Step 3: Cross multiply
   101,275.23x = 139,759.83 × 58,836.50
4. Step 4: Simplify right side
   101,275.23x = 8,222,978,539.00
5. Step 5: Solve for x
   x = 8,222,978,539.00/101,275.23
6. Step 6: Final answer
   x = 81,194.37