Finding the Fourth Proportional to 262,399.94, 362,085.69 and 153,488.26

Step by Step Solution

1. Step 1: Write the proportion equation
   262,399.94 : 362,085.69 = 153,488.26 : x
2. Step 2: Convert to fraction form
   262,399.94/362,085.69 = 153,488.26/x
3. Step 3: Cross multiply
   262,399.94x = 362,085.69 × 153,488.26
4. Step 4: Simplify right side
   262,399.94x = 55,575,902,529.00
5. Step 5: Solve for x
   x = 55,575,902,529.00/262,399.94
6. Step 6: Final answer
   x = 211,798.46