Finding the Fourth Proportional to 2,106,783.78, 2,907,340.89 and 1,139,892.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,783.78 : 2,907,340.89 = 1,139,892.84 : x
2. Step 2: Convert to fraction form
   2,106,783.78/2,907,340.89 = 1,139,892.84/x
3. Step 3: Cross multiply
   2,106,783.78x = 2,907,340.89 × 1,139,892.84
4. Step 4: Simplify right side
   2,106,783.78x = 3,314,057,063,950.23
5. Step 5: Solve for x
   x = 3,314,057,063,950.23/2,106,783.78
6. Step 6: Final answer
   x = 1,573,040.91