Finding the Fourth Proportional to 90,204, 124,473 and 61,073.10

Step by Step Solution

1. Step 1: Write the proportion equation
   90,204 : 124,473 = 61,073.10 : x
2. Step 2: Convert to fraction form
   90,204/124,473 = 61,073.10/x
3. Step 3: Cross multiply
   90,204x = 124,473 × 61,073.10
4. Step 4: Simplify right side
   90,204x = 7,601,951,976.30
5. Step 5: Solve for x
   x = 7,601,951,976.30/90,204
6. Step 6: Final answer
   x = 84,275.11