Finding the Fourth Proportional to 144,307.77, 199,015.83 and 90,597.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,307.77 : 199,015.83 = 90,597.84 : x
2. Step 2: Convert to fraction form
   144,307.77/199,015.83 = 90,597.84/x
3. Step 3: Cross multiply
   144,307.77x = 199,015.83 × 90,597.84
4. Step 4: Simplify right side
   144,307.77x = 18,030,404,323.81
5. Step 5: Solve for x
   x = 18,030,404,323.81/144,307.77
6. Step 6: Final answer
   x = 124,944.10