Finding the Fourth Proportional to 91,411.33, 137,067.78 and 49,314.01

Step by Step Solution

1. Step 1: Write the proportion equation
   91,411.33 : 137,067.78 = 49,314.01 : x
2. Step 2: Convert to fraction form
   91,411.33/137,067.78 = 49,314.01/x
3. Step 3: Cross multiply
   91,411.33x = 137,067.78 × 49,314.01
4. Step 4: Simplify right side
   91,411.33x = 6,759,361,873.60
5. Step 5: Solve for x
   x = 6,759,361,873.60/91,411.33
6. Step 6: Final answer
   x = 73,944.46