Finding the Fourth Proportional to 7,051.56, 9,730.71 and 3,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.56 : 9,730.71 = 3,907.50 : x
2. Step 2: Convert to fraction form
   7,051.56/9,730.71 = 3,907.50/x
3. Step 3: Cross multiply
   7,051.56x = 9,730.71 × 3,907.50
4. Step 4: Simplify right side
   7,051.56x = 38,022,749.33
5. Step 5: Solve for x
   x = 38,022,749.33/7,051.56
6. Step 6: Final answer
   x = 5,392.10