Finding the Fourth Proportional to 2,392,235,835.31, 3,588,338,695.47 and 1,287,361,138.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392,235,835.31 : 3,588,338,695.47 = 1,287,361,138.96 : x
2. Step 2: Convert to fraction form
   2,392,235,835.31/3,588,338,695.47 = 1,287,361,138.96/x
3. Step 3: Cross multiply
   2,392,235,835.31x = 3,588,338,695.47 × 1,287,361,138.96
4. Step 4: Simplify right side
   2,392,235,835.31x = 4,619,487,789,974,499,328
5. Step 5: Solve for x
   x = 4,619,487,789,974,499,328/2,392,235,835.31
6. Step 6: Final answer
   x = 1,931,033,605.38