Finding the Fourth Proportional to 51,056.08, 70,463.72 and 28,700.08

Step by Step Solution

1. Step 1: Write the proportion equation
   51,056.08 : 70,463.72 = 28,700.08 : x
2. Step 2: Convert to fraction form
   51,056.08/70,463.72 = 28,700.08/x
3. Step 3: Cross multiply
   51,056.08x = 70,463.72 × 28,700.08
4. Step 4: Simplify right side
   51,056.08x = 2,022,314,401.10
5. Step 5: Solve for x
   x = 2,022,314,401.10/51,056.08
6. Step 6: Final answer
   x = 39,609.67