Finding the Fourth Proportional to 113,147.44, 156,174.89 and 64,776.47

Step by Step Solution

1. Step 1: Write the proportion equation
   113,147.44 : 156,174.89 = 64,776.47 : x
2. Step 2: Convert to fraction form
   113,147.44/156,174.89 = 64,776.47/x
3. Step 3: Cross multiply
   113,147.44x = 156,174.89 × 64,776.47
4. Step 4: Simplify right side
   113,147.44x = 10,116,457,295.96
5. Step 5: Solve for x
   x = 10,116,457,295.96/113,147.44
6. Step 6: Final answer
   x = 89,409.51