Finding the Fourth Proportional to 104,610.45, 144,360.72 and 56,865

Step by Step Solution

1. Step 1: Write the proportion equation
   104,610.45 : 144,360.72 = 56,865 : x
2. Step 2: Convert to fraction form
   104,610.45/144,360.72 = 56,865/x
3. Step 3: Cross multiply
   104,610.45x = 144,360.72 × 56,865
4. Step 4: Simplify right side
   104,610.45x = 8,209,072,342.80
5. Step 5: Solve for x
   x = 8,209,072,342.80/104,610.45
6. Step 6: Final answer
   x = 78,472.78