Finding the Fourth Proportional to 152,473.25, 228,698.88 and 47,289.48

Step by Step Solution

1. Step 1: Write the proportion equation
   152,473.25 : 228,698.88 = 47,289.48 : x
2. Step 2: Convert to fraction form
   152,473.25/228,698.88 = 47,289.48/x
3. Step 3: Cross multiply
   152,473.25x = 228,698.88 × 47,289.48
4. Step 4: Simplify right side
   152,473.25x = 10,815,051,111.78
5. Step 5: Solve for x
   x = 10,815,051,111.78/152,473.25
6. Step 6: Final answer
   x = 70,930.81