Finding the Fourth Proportional to 1,103,575.42, 1,656,521.43 and 978,018.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,575.42 : 1,656,521.43 = 978,018.94 : x
2. Step 2: Convert to fraction form
   1,103,575.42/1,656,521.43 = 978,018.94/x
3. Step 3: Cross multiply
   1,103,575.42x = 1,656,521.43 × 978,018.94
4. Step 4: Simplify right side
   1,103,575.42x = 1,620,109,333,055.88
5. Step 5: Solve for x
   x = 1,620,109,333,055.88/1,103,575.42
6. Step 6: Final answer
   x = 1,468,054.93