Finding the Fourth Proportional to 389,573.58, 584,622.80 and 152,888.34

Step by Step Solution

1. Step 1: Write the proportion equation
   389,573.58 : 584,622.80 = 152,888.34 : x
2. Step 2: Convert to fraction form
   389,573.58/584,622.80 = 152,888.34/x
3. Step 3: Cross multiply
   389,573.58x = 584,622.80 × 152,888.34
4. Step 4: Simplify right side
   389,573.58x = 89,382,009,418.15
5. Step 5: Solve for x
   x = 89,382,009,418.15/389,573.58
6. Step 6: Final answer
   x = 229,435.50