Finding the Fourth Proportional to 6,978,238.88, 10,463,071.72 and 2,713,435.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,238.88 : 10,463,071.72 = 2,713,435.92 : x
2. Step 2: Convert to fraction form
   6,978,238.88/10,463,071.72 = 2,713,435.92/x
3. Step 3: Cross multiply
   6,978,238.88x = 10,463,071.72 × 2,713,435.92
4. Step 4: Simplify right side
   6,978,238.88x = 28,390,874,638,584.18
5. Step 5: Solve for x
   x = 28,390,874,638,584.18/6,978,238.88
6. Step 6: Final answer
   x = 4,068,487.07