Finding the Fourth Proportional to 19,980,469.16, 27,573,047.09 and 10,813,111.91

Step by Step Solution

1. Step 1: Write the proportion equation
   19,980,469.16 : 27,573,047.09 = 10,813,111.91 : x
2. Step 2: Convert to fraction form
   19,980,469.16/27,573,047.09 = 10,813,111.91/x
3. Step 3: Cross multiply
   19,980,469.16x = 27,573,047.09 × 10,813,111.91
4. Step 4: Simplify right side
   19,980,469.16x = 298,150,443,773,037.38
5. Step 5: Solve for x
   x = 298,150,443,773,037.38/19,980,469.16
6. Step 6: Final answer
   x = 14,922,094.24