Finding the Fourth Proportional to 23,109,980.81, 31,891,382.91 and 12,796,482.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109,980.81 : 31,891,382.91 = 12,796,482.47 : x
2. Step 2: Convert to fraction form
   23,109,980.81/31,891,382.91 = 12,796,482.47/x
3. Step 3: Cross multiply
   23,109,980.81x = 31,891,382.91 × 12,796,482.47
4. Step 4: Simplify right side
   23,109,980.81x = 408,097,522,192,415.69
5. Step 5: Solve for x
   x = 408,097,522,192,415.69/23,109,980.81
6. Step 6: Final answer
   x = 17,658,929.52