Finding the Fourth Proportional to 7,051.98, 9,731.61 and 3,908.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.98 : 9,731.61 = 3,908.19 : x
2. Step 2: Convert to fraction form
   7,051.98/9,731.61 = 3,908.19/x
3. Step 3: Cross multiply
   7,051.98x = 9,731.61 × 3,908.19
4. Step 4: Simplify right side
   7,051.98x = 38,032,980.89
5. Step 5: Solve for x
   x = 38,032,980.89/7,051.98
6. Step 6: Final answer
   x = 5,393.23