Finding the Fourth Proportional to 12,962,674.24, 19,431,373.72 and 5,179,268.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,962,674.24 : 19,431,373.72 = 5,179,268.32 : x
2. Step 2: Convert to fraction form
   12,962,674.24/19,431,373.72 = 5,179,268.32/x
3. Step 3: Cross multiply
   12,962,674.24x = 19,431,373.72 × 5,179,268.32
4. Step 4: Simplify right side
   12,962,674.24x = 100,640,298,322,076.55
5. Step 5: Solve for x
   x = 100,640,298,322,076.55/12,962,674.24
6. Step 6: Final answer
   x = 7,763,853.08