Finding the Fourth Proportional to 6,857,136, 10,287,711.36 and 3,069,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,857,136 : 10,287,711.36 = 3,069,774.72 : x
2. Step 2: Convert to fraction form
   6,857,136/10,287,711.36 = 3,069,774.72/x
3. Step 3: Cross multiply
   6,857,136x = 10,287,711.36 × 3,069,774.72
4. Step 4: Simplify right side
   6,857,136x = 31,580,956,259,584.82
5. Step 5: Solve for x
   x = 31,580,956,259,584.82/6,857,136
6. Step 6: Final answer
   x = 4,605,560.73