Finding the Fourth Proportional to 190,139.55, 262,395.69 and 104,097.10

Step by Step Solution

1. Step 1: Write the proportion equation
   190,139.55 : 262,395.69 = 104,097.10 : x
2. Step 2: Convert to fraction form
   190,139.55/262,395.69 = 104,097.10/x
3. Step 3: Cross multiply
   190,139.55x = 262,395.69 × 104,097.10
4. Step 4: Simplify right side
   190,139.55x = 27,314,628,549.04
5. Step 5: Solve for x
   x = 27,314,628,549.04/190,139.55
6. Step 6: Final answer
   x = 143,655.69