Finding the Fourth Proportional to 9,142,142.35, 12,617,441.70 and 5,658,598.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142,142.35 : 12,617,441.70 = 5,658,598.48 : x
2. Step 2: Convert to fraction form
   9,142,142.35/12,617,441.70 = 5,658,598.48/x
3. Step 3: Cross multiply
   9,142,142.35x = 12,617,441.70 × 5,658,598.48
4. Step 4: Simplify right side
   9,142,142.35x = 71,397,036,425,108.62
5. Step 5: Solve for x
   x = 71,397,036,425,108.62/9,142,142.35
6. Step 6: Final answer
   x = 7,809,661.42