Finding the Fourth Proportional to 1,918,700,016.34, 2,877,614,930.95 and 868,745,090.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,700,016.34 : 2,877,614,930.95 = 868,745,090.71 : x
2. Step 2: Convert to fraction form
   1,918,700,016.34/2,877,614,930.95 = 868,745,090.71/x
3. Step 3: Cross multiply
   1,918,700,016.34x = 2,877,614,930.95 × 868,745,090.71
4. Step 4: Simplify right side
   1,918,700,016.34x = 2,499,913,844,216,608,256
5. Step 5: Solve for x
   x = 2,499,913,844,216,608,256/1,918,700,016.34
6. Step 6: Final answer
   x = 1,302,920,635.29