Finding the Fourth Proportional to 139,533.68, 209,300.56 and 41,037.68

Step by Step Solution

1. Step 1: Write the proportion equation
   139,533.68 : 209,300.56 = 41,037.68 : x
2. Step 2: Convert to fraction form
   139,533.68/209,300.56 = 41,037.68/x
3. Step 3: Cross multiply
   139,533.68x = 209,300.56 × 41,037.68
4. Step 4: Simplify right side
   139,533.68x = 8,589,209,405.10
5. Step 5: Solve for x
   x = 8,589,209,405.10/139,533.68
6. Step 6: Final answer
   x = 61,556.53