Finding the Fourth Proportional to 2,155,160.02, 2,974,841.52 and 1,284,267.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,160.02 : 2,974,841.52 = 1,284,267.89 : x
2. Step 2: Convert to fraction form
   2,155,160.02/2,974,841.52 = 1,284,267.89/x
3. Step 3: Cross multiply
   2,155,160.02x = 2,974,841.52 × 1,284,267.89
4. Step 4: Simplify right side
   2,155,160.02x = 3,820,493,441,974.79
5. Step 5: Solve for x
   x = 3,820,493,441,974.79/2,155,160.02
6. Step 6: Final answer
   x = 1,772,719.15