Finding the Fourth Proportional to 91,663,649.98, 126,828,935.49 and 79,927,391.37

Step by Step Solution

1. Step 1: Write the proportion equation
   91,663,649.98 : 126,828,935.49 = 79,927,391.37 : x
2. Step 2: Convert to fraction form
   91,663,649.98/126,828,935.49 = 79,927,391.37/x
3. Step 3: Cross multiply
   91,663,649.98x = 126,828,935.49 × 79,927,391.37
4. Step 4: Simplify right side
   91,663,649.98x = 10,137,105,963,949,712
5. Step 5: Solve for x
   x = 10,137,105,963,949,712/91,663,649.98
6. Step 6: Final answer
   x = 110,590,249.96