Finding the Fourth Proportional to 152,928.52, 229,395.09 and 53,091.89

Step by Step Solution

1. Step 1: Write the proportion equation
   152,928.52 : 229,395.09 = 53,091.89 : x
2. Step 2: Convert to fraction form
   152,928.52/229,395.09 = 53,091.89/x
3. Step 3: Cross multiply
   152,928.52x = 229,395.09 × 53,091.89
4. Step 4: Simplify right side
   152,928.52x = 12,179,017,472.39
5. Step 5: Solve for x
   x = 12,179,017,472.39/152,928.52
6. Step 6: Final answer
   x = 79,638.63