Finding the Fourth Proportional to 50,482.60, 69,667.32 and 28,974.10

Step by Step Solution

1. Step 1: Write the proportion equation
   50,482.60 : 69,667.32 = 28,974.10 : x
2. Step 2: Convert to fraction form
   50,482.60/69,667.32 = 28,974.10/x
3. Step 3: Cross multiply
   50,482.60x = 69,667.32 × 28,974.10
4. Step 4: Simplify right side
   50,482.60x = 2,018,547,896.41
5. Step 5: Solve for x
   x = 2,018,547,896.41/50,482.60
6. Step 6: Final answer
   x = 39,985.02