Finding the Fourth Proportional to 451,834.81, 677,555.34 and 152,259.55

Step by Step Solution

1. Step 1: Write the proportion equation
   451,834.81 : 677,555.34 = 152,259.55 : x
2. Step 2: Convert to fraction form
   451,834.81/677,555.34 = 152,259.55/x
3. Step 3: Cross multiply
   451,834.81x = 677,555.34 × 152,259.55
4. Step 4: Simplify right side
   451,834.81x = 103,164,271,168.50
5. Step 5: Solve for x
   x = 103,164,271,168.50/451,834.81
6. Step 6: Final answer
   x = 228,322.98