Finding the Fourth Proportional to 101,023.02, 139,471.50 and 89,814

Step by Step Solution

1. Step 1: Write the proportion equation
   101,023.02 : 139,471.50 = 89,814 : x
2. Step 2: Convert to fraction form
   101,023.02/139,471.50 = 89,814/x
3. Step 3: Cross multiply
   101,023.02x = 139,471.50 × 89,814
4. Step 4: Simplify right side
   101,023.02x = 12,526,493,301
5. Step 5: Solve for x
   x = 12,526,493,301/101,023.02
6. Step 6: Final answer
   x = 123,996.42