Finding the Fourth Proportional to 2,116,443,068.32, 3,174,788,153.40 and 642,630,956.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,443,068.32 : 3,174,788,153.40 = 642,630,956.24 : x
2. Step 2: Convert to fraction form
   2,116,443,068.32/3,174,788,153.40 = 642,630,956.24/x
3. Step 3: Cross multiply
   2,116,443,068.32x = 3,174,788,153.40 × 642,630,956.24
4. Step 4: Simplify right side
   2,116,443,068.32x = 2,040,217,146,878,865,920
5. Step 5: Solve for x
   x = 2,040,217,146,878,865,920/2,116,443,068.32
6. Step 6: Final answer
   x = 963,983,949.02