Finding the Fourth Proportional to 12,992,071,462.72, 17,925,984,387.36 and 7,353,287,475.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,992,071,462.72 : 17,925,984,387.36 = 7,353,287,475.52 : x
2. Step 2: Convert to fraction form
   12,992,071,462.72/17,925,984,387.36 = 7,353,287,475.52/x
3. Step 3: Cross multiply
   12,992,071,462.72x = 17,925,984,387.36 × 7,353,287,475.52
4. Step 4: Simplify right side
   12,992,071,462.72x = 131,814,916,481,941,356,544
5. Step 5: Solve for x
   x = 131,814,916,481,941,356,544/12,992,071,462.72
6. Step 6: Final answer
   x = 10,145,796,754.60