Finding the Fourth Proportional to 113,535.12, 156,670.94 and 65,779.94

Step by Step Solution

1. Step 1: Write the proportion equation
   113,535.12 : 156,670.94 = 65,779.94 : x
2. Step 2: Convert to fraction form
   113,535.12/156,670.94 = 65,779.94/x
3. Step 3: Cross multiply
   113,535.12x = 156,670.94 × 65,779.94
4. Step 4: Simplify right side
   113,535.12x = 10,305,805,032.94
5. Step 5: Solve for x
   x = 10,305,805,032.94/113,535.12
6. Step 6: Final answer
   x = 90,771.96