Finding the Fourth Proportional to 20,585.10, 30,875.82 and 10,051.05

Step by Step Solution

1. Step 1: Write the proportion equation
   20,585.10 : 30,875.82 = 10,051.05 : x
2. Step 2: Convert to fraction form
   20,585.10/30,875.82 = 10,051.05/x
3. Step 3: Cross multiply
   20,585.10x = 30,875.82 × 10,051.05
4. Step 4: Simplify right side
   20,585.10x = 310,334,410.61
5. Step 5: Solve for x
   x = 310,334,410.61/20,585.10
6. Step 6: Final answer
   x = 15,075.68