Finding the Fourth Proportional to 10,028,978.01, 13,839,847.56 and 5,677,951.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,028,978.01 : 13,839,847.56 = 5,677,951.23 : x
2. Step 2: Convert to fraction form
   10,028,978.01/13,839,847.56 = 5,677,951.23/x
3. Step 3: Cross multiply
   10,028,978.01x = 13,839,847.56 × 5,677,951.23
4. Step 4: Simplify right side
   10,028,978.01x = 78,581,979,476,314.52
5. Step 5: Solve for x
   x = 78,581,979,476,314.52/10,028,978.01
6. Step 6: Final answer
   x = 7,835,492.25