Finding the Fourth Proportional to 91,494,978.73, 126,263,977.91 and 49,679,386.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,494,978.73 : 126,263,977.91 = 49,679,386.72 : x
2. Step 2: Convert to fraction form
   91,494,978.73/126,263,977.91 = 49,679,386.72/x
3. Step 3: Cross multiply
   91,494,978.73x = 126,263,977.91 × 49,679,386.72
4. Step 4: Simplify right side
   91,494,978.73x = 6,272,716,987,396,427
5. Step 5: Solve for x
   x = 6,272,716,987,396,427/91,494,978.73
6. Step 6: Final answer
   x = 68,558,046.29