Finding the Fourth Proportional to 113,259.27, 156,299.72 and 62,274.09

Step by Step Solution

1. Step 1: Write the proportion equation
   113,259.27 : 156,299.72 = 62,274.09 : x
2. Step 2: Convert to fraction form
   113,259.27/156,299.72 = 62,274.09/x
3. Step 3: Cross multiply
   113,259.27x = 156,299.72 × 62,274.09
4. Step 4: Simplify right side
   113,259.27x = 9,733,422,830.25
5. Step 5: Solve for x
   x = 9,733,422,830.25/113,259.27
6. Step 6: Final answer
   x = 85,939.30