Finding the Fourth Proportional to 1,103,574.42, 1,656,519.93 and 978,017.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,574.42 : 1,656,519.93 = 978,017.94 : x
2. Step 2: Convert to fraction form
   1,103,574.42/1,656,519.93 = 978,017.94/x
3. Step 3: Cross multiply
   1,103,574.42x = 1,656,519.93 × 978,017.94
4. Step 4: Simplify right side
   1,103,574.42x = 1,620,106,209,507.54
5. Step 5: Solve for x
   x = 1,620,106,209,507.54/1,103,574.42
6. Step 6: Final answer
   x = 1,468,053.43