Finding the Fourth Proportional to 300,860,164.50, 415,011,126.31 and 189,174,184.69

Step by Step Solution

1. Step 1: Write the proportion equation
   300,860,164.50 : 415,011,126.31 = 189,174,184.69 : x
2. Step 2: Convert to fraction form
   300,860,164.50/415,011,126.31 = 189,174,184.69/x
3. Step 3: Cross multiply
   300,860,164.50x = 415,011,126.31 × 189,174,184.69
4. Step 4: Simplify right side
   300,860,164.50x = 78,509,391,456,972,864
5. Step 5: Solve for x
   x = 78,509,391,456,972,864/300,860,164.50
6. Step 6: Final answer
   x = 260,949,772.42