Finding the Fourth Proportional to 2,069,870.16, 3,101,111.46 and 1,122,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069,870.16 : 3,101,111.46 = 1,122,636.72 : x
2. Step 2: Convert to fraction form
   2,069,870.16/3,101,111.46 = 1,122,636.72/x
3. Step 3: Cross multiply
   2,069,870.16x = 3,101,111.46 × 1,122,636.72
4. Step 4: Simplify right side
   2,069,870.16x = 3,481,421,597,808.81
5. Step 5: Solve for x
   x = 3,481,421,597,808.81/2,069,870.16
6. Step 6: Final answer
   x = 1,681,951.68