Finding the Fourth Proportional to 266,322.94, 367,536.59 and 153,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   266,322.94 : 367,536.59 = 153,145.69 : x
2. Step 2: Convert to fraction form
   266,322.94/367,536.59 = 153,145.69/x
3. Step 3: Cross multiply
   266,322.94x = 367,536.59 × 153,145.69
4. Step 4: Simplify right side
   266,322.94x = 56,286,643,565.52
5. Step 5: Solve for x
   x = 56,286,643,565.52/266,322.94
6. Step 6: Final answer
   x = 211,347.34