Finding the Fourth Proportional to 1,054,443.03, 1,455,128.76 and 571,008.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,443.03 : 1,455,128.76 = 571,008.18 : x
2. Step 2: Convert to fraction form
   1,054,443.03/1,455,128.76 = 571,008.18/x
3. Step 3: Cross multiply
   1,054,443.03x = 1,455,128.76 × 571,008.18
4. Step 4: Simplify right side
   1,054,443.03x = 830,890,424,913.26
5. Step 5: Solve for x
   x = 830,890,424,913.26/1,054,443.03
6. Step 6: Final answer
   x = 787,989.87