Finding the Fourth Proportional to 9,272,293.99, 12,796,531.72 and 5,143,656.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,272,293.99 : 12,796,531.72 = 5,143,656.24 : x
2. Step 2: Convert to fraction form
   9,272,293.99/12,796,531.72 = 5,143,656.24/x
3. Step 3: Cross multiply
   9,272,293.99x = 12,796,531.72 × 5,143,656.24
4. Step 4: Simplify right side
   9,272,293.99x = 65,820,960,219,076.79
5. Step 5: Solve for x
   x = 65,820,960,219,076.79/9,272,293.99
6. Step 6: Final answer
   x = 7,098,670.55