Finding the Fourth Proportional to 152,626.47, 228,978.65 and 47,446.35

Step by Step Solution

1. Step 1: Write the proportion equation
   152,626.47 : 228,978.65 = 47,446.35 : x
2. Step 2: Convert to fraction form
   152,626.47/228,978.65 = 47,446.35/x
3. Step 3: Cross multiply
   152,626.47x = 228,978.65 × 47,446.35
4. Step 4: Simplify right side
   152,626.47x = 10,864,200,933.20
5. Step 5: Solve for x
   x = 10,864,200,933.20/152,626.47
6. Step 6: Final answer
   x = 71,181.63