Finding the Fourth Proportional to 9,450,820, 13,042,131.68 and 5,158,468

Step by Step Solution

1. Step 1: Write the proportion equation
   9,450,820 : 13,042,131.68 = 5,158,468 : x
2. Step 2: Convert to fraction form
   9,450,820/13,042,131.68 = 5,158,468/x
3. Step 3: Cross multiply
   9,450,820x = 13,042,131.68 × 5,158,468
4. Step 4: Simplify right side
   9,450,820x = 67,277,418,923,066.24
5. Step 5: Solve for x
   x = 67,277,418,923,066.24/9,450,820
6. Step 6: Final answer
   x = 7,118,685.88