Finding the Fourth Proportional to 9,272,300.25, 12,796,540.35 and 5,143,662.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,272,300.25 : 12,796,540.35 = 5,143,662.49 : x
2. Step 2: Convert to fraction form
   9,272,300.25/12,796,540.35 = 5,143,662.49/x
3. Step 3: Cross multiply
   9,272,300.25x = 12,796,540.35 × 5,143,662.49
4. Step 4: Simplify right side
   9,272,300.25x = 65,821,084,600,066.47
5. Step 5: Solve for x
   x = 65,821,084,600,066.47/9,272,300.25
6. Step 6: Final answer
   x = 7,098,679.17