Finding the Fourth Proportional to 456,749,404, 630,314,870.16 and 247,905,622.96

Step by Step Solution

1. Step 1: Write the proportion equation
   456,749,404 : 630,314,870.16 = 247,905,622.96 : x
2. Step 2: Convert to fraction form
   456,749,404/630,314,870.16 = 247,905,622.96/x
3. Step 3: Cross multiply
   456,749,404x = 630,314,870.16 × 247,905,622.96
4. Step 4: Simplify right side
   456,749,404x = 156,258,600,547,966,304
5. Step 5: Solve for x
   x = 156,258,600,547,966,304/456,749,404
6. Step 6: Final answer
   x = 342,110,135.62