Finding the Fourth Proportional to 113,383.58, 156,470.51 and 64,984.46

Step by Step Solution

1. Step 1: Write the proportion equation
   113,383.58 : 156,470.51 = 64,984.46 : x
2. Step 2: Convert to fraction form
   113,383.58/156,470.51 = 64,984.46/x
3. Step 3: Cross multiply
   113,383.58x = 156,470.51 × 64,984.46
4. Step 4: Simplify right side
   113,383.58x = 10,168,150,491.00
5. Step 5: Solve for x
   x = 10,168,150,491.00/113,383.58
6. Step 6: Final answer
   x = 89,679.22