Finding the Fourth Proportional to 6,111.51, 8,429.53 and 5,608.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.51 : 8,429.53 = 5,608.98 : x
2. Step 2: Convert to fraction form
   6,111.51/8,429.53 = 5,608.98/x
3. Step 3: Cross multiply
   6,111.51x = 8,429.53 × 5,608.98
4. Step 4: Simplify right side
   6,111.51x = 47,281,065.18
5. Step 5: Solve for x
   x = 47,281,065.18/6,111.51
6. Step 6: Final answer
   x = 7,736.40