Finding the Fourth Proportional to 1,119,109.12, 1,679,315.01 and 470,638.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119,109.12 : 1,679,315.01 = 470,638.72 : x
2. Step 2: Convert to fraction form
   1,119,109.12/1,679,315.01 = 470,638.72/x
3. Step 3: Cross multiply
   1,119,109.12x = 1,679,315.01 × 470,638.72
4. Step 4: Simplify right side
   1,119,109.12x = 790,350,666,783.19
5. Step 5: Solve for x
   x = 790,350,666,783.19/1,119,109.12
6. Step 6: Final answer
   x = 706,232.00