Finding the Fourth Proportional to 223,501.55, 308,435.97 and 121,527.69

Step by Step Solution

1. Step 1: Write the proportion equation
   223,501.55 : 308,435.97 = 121,527.69 : x
2. Step 2: Convert to fraction form
   223,501.55/308,435.97 = 121,527.69/x
3. Step 3: Cross multiply
   223,501.55x = 308,435.97 × 121,527.69
4. Step 4: Simplify right side
   223,501.55x = 37,483,510,246.10
5. Step 5: Solve for x
   x = 37,483,510,246.10/223,501.55
6. Step 6: Final answer
   x = 167,710.30