Finding the Fourth Proportional to 113,316.27, 156,389.31 and 64,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   113,316.27 : 156,389.31 = 64,922.82 : x
2. Step 2: Convert to fraction form
   113,316.27/156,389.31 = 64,922.82/x
3. Step 3: Cross multiply
   113,316.27x = 156,389.31 × 64,922.82
4. Step 4: Simplify right side
   113,316.27x = 10,153,235,023.05
5. Step 5: Solve for x
   x = 10,153,235,023.05/113,316.27
6. Step 6: Final answer
   x = 89,600.86