Finding the Fourth Proportional to 101,046.89, 139,471.61 and 59,690.12

Step by Step Solution

1. Step 1: Write the proportion equation
   101,046.89 : 139,471.61 = 59,690.12 : x
2. Step 2: Convert to fraction form
   101,046.89/139,471.61 = 59,690.12/x
3. Step 3: Cross multiply
   101,046.89x = 139,471.61 × 59,690.12
4. Step 4: Simplify right side
   101,046.89x = 8,325,076,141.68
5. Step 5: Solve for x
   x = 8,325,076,141.68/101,046.89
6. Step 6: Final answer
   x = 82,388.25