Finding the Fourth Proportional to 7,577.30, 10,425.57 and 7,402.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,577.30 : 10,425.57 = 7,402.34 : x
2. Step 2: Convert to fraction form
   7,577.30/10,425.57 = 7,402.34/x
3. Step 3: Cross multiply
   7,577.30x = 10,425.57 × 7,402.34
4. Step 4: Simplify right side
   7,577.30x = 77,173,613.83
5. Step 5: Solve for x
   x = 77,173,613.83/7,577.30
6. Step 6: Final answer
   x = 10,184.84