Finding the Fourth Proportional to 2,072,679.72, 2,860,303.82 and 1,201,683.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,679.72 : 2,860,303.82 = 1,201,683.68 : x
2. Step 2: Convert to fraction form
   2,072,679.72/2,860,303.82 = 1,201,683.68/x
3. Step 3: Cross multiply
   2,072,679.72x = 2,860,303.82 × 1,201,683.68
4. Step 4: Simplify right side
   2,072,679.72x = 3,437,180,400,025.72
5. Step 5: Solve for x
   x = 3,437,180,400,025.72/2,072,679.72
6. Step 6: Final answer
   x = 1,658,326.83