Finding the Fourth Proportional to 5,172.35, 7,700.02 and 5,141.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,172.35 : 7,700.02 = 5,141.59 : x
2. Step 2: Convert to fraction form
   5,172.35/7,700.02 = 5,141.59/x
3. Step 3: Cross multiply
   5,172.35x = 7,700.02 × 5,141.59
4. Step 4: Simplify right side
   5,172.35x = 39,590,345.83
5. Step 5: Solve for x
   x = 39,590,345.83/5,172.35
6. Step 6: Final answer
   x = 7,654.23