Finding the Fourth Proportional to 1,552,476.81, 2,142,442.23 and 864,156.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552,476.81 : 2,142,442.23 = 864,156.15 : x
2. Step 2: Convert to fraction form
   1,552,476.81/2,142,442.23 = 864,156.15/x
3. Step 3: Cross multiply
   1,552,476.81x = 2,142,442.23 × 864,156.15
4. Step 4: Simplify right side
   1,552,476.81x = 1,851,404,629,074.21
5. Step 5: Solve for x
   x = 1,851,404,629,074.21/1,552,476.81
6. Step 6: Final answer
   x = 1,192,548.98