Finding the Fourth Proportional to 21,913,080.31, 30,249,736.73 and 13,095,642.97

Step by Step Solution

1. Step 1: Write the proportion equation
   21,913,080.31 : 30,249,736.73 = 13,095,642.97 : x
2. Step 2: Convert to fraction form
   21,913,080.31/30,249,736.73 = 13,095,642.97/x
3. Step 3: Cross multiply
   21,913,080.31x = 30,249,736.73 × 13,095,642.97
4. Step 4: Simplify right side
   21,913,080.31x = 396,139,752,152,575.31
5. Step 5: Solve for x
   x = 396,139,752,152,575.31/21,913,080.31
6. Step 6: Final answer
   x = 18,077,775.76