Finding the Fourth Proportional to 104,618.25, 156,996.50 and 49,218.57

Step by Step Solution

1. Step 1: Write the proportion equation
   104,618.25 : 156,996.50 = 49,218.57 : x
2. Step 2: Convert to fraction form
   104,618.25/156,996.50 = 49,218.57/x
3. Step 3: Cross multiply
   104,618.25x = 156,996.50 × 49,218.57
4. Step 4: Simplify right side
   104,618.25x = 7,727,142,978.91
5. Step 5: Solve for x
   x = 7,727,142,978.91/104,618.25
6. Step 6: Final answer
   x = 73,860.37