Finding the Fourth Proportional to 101,022.02, 139,470.12 and 89,813

Step by Step Solution

1. Step 1: Write the proportion equation
   101,022.02 : 139,470.12 = 89,813 : x
2. Step 2: Convert to fraction form
   101,022.02/139,470.12 = 89,813/x
3. Step 3: Cross multiply
   101,022.02x = 139,470.12 × 89,813
4. Step 4: Simplify right side
   101,022.02x = 12,526,229,887.56
5. Step 5: Solve for x
   x = 12,526,229,887.56/101,022.02
6. Step 6: Final answer
   x = 123,995.04