Finding the Fourth Proportional to 456,729,196.08, 630,286,912.72 and 247,885,341.36

Step by Step Solution

1. Step 1: Write the proportion equation
   456,729,196.08 : 630,286,912.72 = 247,885,341.36 : x
2. Step 2: Convert to fraction form
   456,729,196.08/630,286,912.72 = 247,885,341.36/x
3. Step 3: Cross multiply
   456,729,196.08x = 630,286,912.72 × 247,885,341.36
4. Step 4: Simplify right side
   456,729,196.08x = 156,238,886,514,337,728
5. Step 5: Solve for x
   x = 156,238,886,514,337,728/456,729,196.08
6. Step 6: Final answer
   x = 342,082,108.73