Finding the Fourth Proportional to 144,334.80, 199,053 and 90,624.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,334.80 : 199,053 = 90,624.84 : x
2. Step 2: Convert to fraction form
   144,334.80/199,053 = 90,624.84/x
3. Step 3: Cross multiply
   144,334.80x = 199,053 × 90,624.84
4. Step 4: Simplify right side
   144,334.80x = 18,039,146,276.52
5. Step 5: Solve for x
   x = 18,039,146,276.52/144,334.80
6. Step 6: Final answer
   x = 124,981.27