Finding the Fourth Proportional to 451,834.31, 677,554.59 and 152,259.05

Step by Step Solution

1. Step 1: Write the proportion equation
   451,834.31 : 677,554.59 = 152,259.05 : x
2. Step 2: Convert to fraction form
   451,834.31/677,554.59 = 152,259.05/x
3. Step 3: Cross multiply
   451,834.31x = 677,554.59 × 152,259.05
4. Step 4: Simplify right side
   451,834.31x = 103,163,818,196.54
5. Step 5: Solve for x
   x = 103,163,818,196.54/451,834.31
6. Step 6: Final answer
   x = 228,322.23