Finding the Fourth Proportional to 1,604,215.47, 2,213,816.72 and 888,823.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604,215.47 : 2,213,816.72 = 888,823.47 : x
2. Step 2: Convert to fraction form
   1,604,215.47/2,213,816.72 = 888,823.47/x
3. Step 3: Cross multiply
   1,604,215.47x = 2,213,816.72 × 888,823.47
4. Step 4: Simplify right side
   1,604,215.47x = 1,967,692,254,570.30
5. Step 5: Solve for x
   x = 1,967,692,254,570.30/1,604,215.47
6. Step 6: Final answer
   x = 1,226,576.04