Finding the Fourth Proportional to 113,429.72, 156,547.86 and 65,050.60

Step by Step Solution

1. Step 1: Write the proportion equation
   113,429.72 : 156,547.86 = 65,050.60 : x
2. Step 2: Convert to fraction form
   113,429.72/156,547.86 = 65,050.60/x
3. Step 3: Cross multiply
   113,429.72x = 156,547.86 × 65,050.60
4. Step 4: Simplify right side
   113,429.72x = 10,183,532,221.72
5. Step 5: Solve for x
   x = 10,183,532,221.72/113,429.72
6. Step 6: Final answer
   x = 89,778.34