Finding the Fourth Proportional to 113,498.38, 156,621.73 and 65,097.81

Step by Step Solution

1. Step 1: Write the proportion equation
   113,498.38 : 156,621.73 = 65,097.81 : x
2. Step 2: Convert to fraction form
   113,498.38/156,621.73 = 65,097.81/x
3. Step 3: Cross multiply
   113,498.38x = 156,621.73 × 65,097.81
4. Step 4: Simplify right side
   113,498.38x = 10,195,731,621.41
5. Step 5: Solve for x
   x = 10,195,731,621.41/113,498.38
6. Step 6: Final answer
   x = 89,831.52