Finding the Fourth Proportional to 7,557.82, 10,429.43 and 4,200.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,557.82 : 10,429.43 = 4,200.86 : x
2. Step 2: Convert to fraction form
   7,557.82/10,429.43 = 4,200.86/x
3. Step 3: Cross multiply
   7,557.82x = 10,429.43 × 4,200.86
4. Step 4: Simplify right side
   7,557.82x = 43,812,575.31
5. Step 5: Solve for x
   x = 43,812,575.31/7,557.82
6. Step 6: Final answer
   x = 5,796.99