Finding the Fourth Proportional to 91,663,648.98, 126,828,934.11 and 79,927,390.37

Step by Step Solution

1. Step 1: Write the proportion equation
   91,663,648.98 : 126,828,934.11 = 79,927,390.37 : x
2. Step 2: Convert to fraction form
   91,663,648.98/126,828,934.11 = 79,927,390.37/x
3. Step 3: Cross multiply
   91,663,648.98x = 126,828,934.11 × 79,927,390.37
4. Step 4: Simplify right side
   91,663,648.98x = 10,137,105,726,820,980
5. Step 5: Solve for x
   x = 10,137,105,726,820,980/91,663,648.98
6. Step 6: Final answer
   x = 110,590,248.58