Finding the Fourth Proportional to 2,106,877.56, 2,907,470.05 and 1,139,986.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,877.56 : 2,907,470.05 = 1,139,986.63 : x
2. Step 2: Convert to fraction form
   2,106,877.56/2,907,470.05 = 1,139,986.63/x
3. Step 3: Cross multiply
   2,106,877.56x = 2,907,470.05 × 1,139,986.63
4. Step 4: Simplify right side
   2,106,877.56x = 3,314,476,984,125.43
5. Step 5: Solve for x
   x = 3,314,476,984,125.43/2,106,877.56
6. Step 6: Final answer
   x = 1,573,170.20