Finding the Fourth Proportional to 113,224.30, 156,246.15 and 64,824.62

Step by Step Solution

1. Step 1: Write the proportion equation
   113,224.30 : 156,246.15 = 64,824.62 : x
2. Step 2: Convert to fraction form
   113,224.30/156,246.15 = 64,824.62/x
3. Step 3: Cross multiply
   113,224.30x = 156,246.15 × 64,824.62
4. Step 4: Simplify right side
   113,224.30x = 10,128,596,518.98
5. Step 5: Solve for x
   x = 10,128,596,518.98/113,224.30
6. Step 6: Final answer
   x = 89,456.04