Finding the Fourth Proportional to 103,085.58, 154,606.76 and 50,532.78

Step by Step Solution

1. Step 1: Write the proportion equation
   103,085.58 : 154,606.76 = 50,532.78 : x
2. Step 2: Convert to fraction form
   103,085.58/154,606.76 = 50,532.78/x
3. Step 3: Cross multiply
   103,085.58x = 154,606.76 × 50,532.78
4. Step 4: Simplify right side
   103,085.58x = 7,812,708,616.56
5. Step 5: Solve for x
   x = 7,812,708,616.56/103,085.58
6. Step 6: Final answer
   x = 75,788.57