Finding the Fourth Proportional to 6,385,128.70, 9,577,667.85 and 1,897,404.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385,128.70 : 9,577,667.85 = 1,897,404.70 : x
2. Step 2: Convert to fraction form
   6,385,128.70/9,577,667.85 = 1,897,404.70/x
3. Step 3: Cross multiply
   6,385,128.70x = 9,577,667.85 × 1,897,404.70
4. Step 4: Simplify right side
   6,385,128.70x = 18,172,711,993,628.89
5. Step 5: Solve for x
   x = 18,172,711,993,628.89/6,385,128.70
6. Step 6: Final answer
   x = 2,846,099.56