Finding the Fourth Proportional to 12,849,857.72, 17,732,636.32 and 7,343,169.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849,857.72 : 17,732,636.32 = 7,343,169.92 : x
2. Step 2: Convert to fraction form
   12,849,857.72/17,732,636.32 = 7,343,169.92/x
3. Step 3: Cross multiply
   12,849,857.72x = 17,732,636.32 × 7,343,169.92
4. Step 4: Simplify right side
   12,849,857.72x = 130,213,761,627,323.50
5. Step 5: Solve for x
   x = 130,213,761,627,323.50/12,849,857.72
6. Step 6: Final answer
   x = 10,133,478.87