Finding the Fourth Proportional to 1,111,012.32, 1,533,291.42 and 627,666.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,012.32 : 1,533,291.42 = 627,666.18 : x
2. Step 2: Convert to fraction form
   1,111,012.32/1,533,291.42 = 627,666.18/x
3. Step 3: Cross multiply
   1,111,012.32x = 1,533,291.42 × 627,666.18
4. Step 4: Simplify right side
   1,111,012.32x = 962,395,168,418.18
5. Step 5: Solve for x
   x = 962,395,168,418.18/1,111,012.32
6. Step 6: Final answer
   x = 866,232.67