Finding the Fourth Proportional to 1,819,317,116.72, 2,510,657,601.63 and 983,941,687.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819,317,116.72 : 2,510,657,601.63 = 983,941,687.31 : x
2. Step 2: Convert to fraction form
   1,819,317,116.72/2,510,657,601.63 = 983,941,687.31/x
3. Step 3: Cross multiply
   1,819,317,116.72x = 2,510,657,601.63 × 983,941,687.31
4. Step 4: Simplify right side
   1,819,317,116.72x = 2,470,340,676,805,499,904
5. Step 5: Solve for x
   x = 2,470,340,676,805,499,904/1,819,317,116.72
6. Step 6: Final answer
   x = 1,357,839,517.97