Finding the Fourth Proportional to 2,116,113,786.78, 2,919,884,042.52 and 1,176,188,633.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,113,786.78 : 2,919,884,042.52 = 1,176,188,633.88 : x
2. Step 2: Convert to fraction form
   2,116,113,786.78/2,919,884,042.52 = 1,176,188,633.88/x
3. Step 3: Cross multiply
   2,116,113,786.78x = 2,919,884,042.52 × 1,176,188,633.88
4. Step 4: Simplify right side
   2,116,113,786.78x = 3,434,334,423,059,611,136
5. Step 5: Solve for x
   x = 3,434,334,423,059,611,136/2,116,113,786.78
6. Step 6: Final answer
   x = 1,622,944,117.90