Finding the Fourth Proportional to 99,073.74, 148,621.89 and 35,923.61

Step by Step Solution

1. Step 1: Write the proportion equation
   99,073.74 : 148,621.89 = 35,923.61 : x
2. Step 2: Convert to fraction form
   99,073.74/148,621.89 = 35,923.61/x
3. Step 3: Cross multiply
   99,073.74x = 148,621.89 × 35,923.61
4. Step 4: Simplify right side
   99,073.74x = 5,339,033,891.10
5. Step 5: Solve for x
   x = 5,339,033,891.10/99,073.74
6. Step 6: Final answer
   x = 53,889.50