Finding the Fourth Proportional to 2,157,762.15, 2,977,717.98 and 1,177,710.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,762.15 : 2,977,717.98 = 1,177,710.15 : x
2. Step 2: Convert to fraction form
   2,157,762.15/2,977,717.98 = 1,177,710.15/x
3. Step 3: Cross multiply
   2,157,762.15x = 2,977,717.98 × 1,177,710.15
4. Step 4: Simplify right side
   2,157,762.15x = 3,506,888,688,883.50
5. Step 5: Solve for x
   x = 3,506,888,688,883.50/2,157,762.15
6. Step 6: Final answer
   x = 1,625,243.40