Finding the Fourth Proportional to 1,182,357.69, 1,619,836.01 and 1,138,077.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,357.69 : 1,619,836.01 = 1,138,077.42 : x
2. Step 2: Convert to fraction form
   1,182,357.69/1,619,836.01 = 1,138,077.42/x
3. Step 3: Cross multiply
   1,182,357.69x = 1,619,836.01 × 1,138,077.42
4. Step 4: Simplify right side
   1,182,357.69x = 1,843,498,781,393.51
5. Step 5: Solve for x
   x = 1,843,498,781,393.51/1,182,357.69
6. Step 6: Final answer
   x = 1,559,171.81