Finding the Fourth Proportional to 7,245.72, 10,870.47 and 2,051.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,245.72 : 10,870.47 = 2,051.60 : x
2. Step 2: Convert to fraction form
   7,245.72/10,870.47 = 2,051.60/x
3. Step 3: Cross multiply
   7,245.72x = 10,870.47 × 2,051.60
4. Step 4: Simplify right side
   7,245.72x = 22,301,801.90
5. Step 5: Solve for x
   x = 22,301,801.90/7,245.72
6. Step 6: Final answer
   x = 3,077.93