Finding the Fourth Proportional to 6,464,287.42, 9,672,479.76 and 5,181,002.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,464,287.42 : 9,672,479.76 = 5,181,002.74 : x
2. Step 2: Convert to fraction form
   6,464,287.42/9,672,479.76 = 5,181,002.74/x
3. Step 3: Cross multiply
   6,464,287.42x = 9,672,479.76 × 5,181,002.74
4. Step 4: Simplify right side
   6,464,287.42x = 50,113,144,139,154.55
5. Step 5: Solve for x
   x = 50,113,144,139,154.55/6,464,287.42
6. Step 6: Final answer
   x = 7,752,307.55