Finding the Fourth Proportional to 550,150,667.72, 759,211,924.42 and 299,257,225.82

Step by Step Solution

1. Step 1: Write the proportion equation
   550,150,667.72 : 759,211,924.42 = 299,257,225.82 : x
2. Step 2: Convert to fraction form
   550,150,667.72/759,211,924.42 = 299,257,225.82/x
3. Step 3: Cross multiply
   550,150,667.72x = 759,211,924.42 × 299,257,225.82
4. Step 4: Simplify right side
   550,150,667.72x = 227,199,654,311,392,704
5. Step 5: Solve for x
   x = 227,199,654,311,392,704/550,150,667.72
6. Step 6: Final answer
   x = 412,977,149.07