Finding the Fourth Proportional to 5,178,358.56, 7,766,290.56 and 1,584,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,178,358.56 : 7,766,290.56 = 1,584,156.72 : x
2. Step 2: Convert to fraction form
   5,178,358.56/7,766,290.56 = 1,584,156.72/x
3. Step 3: Cross multiply
   5,178,358.56x = 7,766,290.56 × 1,584,156.72
4. Step 4: Simplify right side
   5,178,358.56x = 12,303,021,380,096.56
5. Step 5: Solve for x
   x = 12,303,021,380,096.56/5,178,358.56
6. Step 6: Final answer
   x = 2,375,853.51