Finding the Fourth Proportional to 3,921,320,499.42, 5,881,977,155.28 and 1,229,160,195.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921,320,499.42 : 5,881,977,155.28 = 1,229,160,195.23 : x
2. Step 2: Convert to fraction form
   3,921,320,499.42/5,881,977,155.28 = 1,229,160,195.23/x
3. Step 3: Cross multiply
   3,921,320,499.42x = 5,881,977,155.28 × 1,229,160,195.23
4. Step 4: Simplify right side
   3,921,320,499.42x = 7,229,892,188,492,953,600
5. Step 5: Solve for x
   x = 7,229,892,188,492,953,600/3,921,320,499.42
6. Step 6: Final answer
   x = 1,843,739,166.32