Finding the Fourth Proportional to 10,392,128.40, 14,340,558.72 and 5,745,644.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,392,128.40 : 14,340,558.72 = 5,745,644.82 : x
2. Step 2: Convert to fraction form
   10,392,128.40/14,340,558.72 = 5,745,644.82/x
3. Step 3: Cross multiply
   10,392,128.40x = 14,340,558.72 × 5,745,644.82
4. Step 4: Simplify right side
   10,392,128.40x = 82,395,756,925,473.84
5. Step 5: Solve for x
   x = 82,395,756,925,473.84/10,392,128.40
6. Step 6: Final answer
   x = 7,928,670.02