Finding the Fourth Proportional to 19,980,457.97, 27,573,031.71 and 10,813,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,980,457.97 : 27,573,031.71 = 10,813,100.72 : x
2. Step 2: Convert to fraction form
   19,980,457.97/27,573,031.71 = 10,813,100.72/x
3. Step 3: Cross multiply
   19,980,457.97x = 27,573,031.71 × 10,813,100.72
4. Step 4: Simplify right side
   19,980,457.97x = 298,149,968,898,118.69
5. Step 5: Solve for x
   x = 298,149,968,898,118.69/19,980,457.97
6. Step 6: Final answer
   x = 14,922,078.83