Finding the Fourth Proportional to 2,153,100.42, 2,971,708.88 and 1,235,949.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,100.42 : 2,971,708.88 = 1,235,949.57 : x
2. Step 2: Convert to fraction form
   2,153,100.42/2,971,708.88 = 1,235,949.57/x
3. Step 3: Cross multiply
   2,153,100.42x = 2,971,708.88 × 1,235,949.57
4. Step 4: Simplify right side
   2,153,100.42x = 3,672,882,306,221.43
5. Step 5: Solve for x
   x = 3,672,882,306,221.43/2,153,100.42
6. Step 6: Final answer
   x = 1,705,857.41