Finding the Fourth Proportional to 1,166,592,978.91, 1,610,023,071.82 and 714,770,794.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166,592,978.91 : 1,610,023,071.82 = 714,770,794.50 : x
2. Step 2: Convert to fraction form
   1,166,592,978.91/1,610,023,071.82 = 714,770,794.50/x
3. Step 3: Cross multiply
   1,166,592,978.91x = 1,610,023,071.82 × 714,770,794.50
4. Step 4: Simplify right side
   1,166,592,978.91x = 1,150,797,470,203,575,424
5. Step 5: Solve for x
   x = 1,150,797,470,203,575,424/1,166,592,978.91
6. Step 6: Final answer
   x = 986,460,137.35