Finding the Fourth Proportional to 103,322.45, 154,965.49 and 28,424.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,322.45 : 154,965.49 = 28,424.52 : x
2. Step 2: Convert to fraction form
   103,322.45/154,965.49 = 28,424.52/x
3. Step 3: Cross multiply
   103,322.45x = 154,965.49 × 28,424.52
4. Step 4: Simplify right side
   103,322.45x = 4,404,819,598.75
5. Step 5: Solve for x
   x = 4,404,819,598.75/103,322.45
6. Step 6: Final answer
   x = 42,631.78