Finding the Fourth Proportional to 2,664,756.89, 3,997,098.37 and 642,983.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664,756.89 : 3,997,098.37 = 642,983.93 : x
2. Step 2: Convert to fraction form
   2,664,756.89/3,997,098.37 = 642,983.93/x
3. Step 3: Cross multiply
   2,664,756.89x = 3,997,098.37 × 642,983.93
4. Step 4: Simplify right side
   2,664,756.89x = 2,570,070,018,539.19
5. Step 5: Solve for x
   x = 2,570,070,018,539.19/2,664,756.89
6. Step 6: Final answer
   x = 964,466.98