Finding the Fourth Proportional to 113,544.11, 156,683.31 and 65,788.94

Step by Step Solution

1. Step 1: Write the proportion equation
   113,544.11 : 156,683.31 = 65,788.94 : x
2. Step 2: Convert to fraction form
   113,544.11/156,683.31 = 65,788.94/x
3. Step 3: Cross multiply
   113,544.11x = 156,683.31 × 65,788.94
4. Step 4: Simplify right side
   113,544.11x = 10,308,028,880.59
5. Step 5: Solve for x
   x = 10,308,028,880.59/113,544.11
6. Step 6: Final answer
   x = 90,784.36