Finding the Fourth Proportional to 2,870,123.12, 3,960,770.12 and 1,580,963.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,123.12 : 3,960,770.12 = 1,580,963.51 : x
2. Step 2: Convert to fraction form
   2,870,123.12/3,960,770.12 = 1,580,963.51/x
3. Step 3: Cross multiply
   2,870,123.12x = 3,960,770.12 × 1,580,963.51
4. Step 4: Simplify right side
   2,870,123.12x = 6,261,833,009,438.27
5. Step 5: Solve for x
   x = 6,261,833,009,438.27/2,870,123.12
6. Step 6: Final answer
   x = 2,181,729.76