Finding the Fourth Proportional to 1,140,189.20, 1,710,779.82 and 714,700.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,189.20 : 1,710,779.82 = 714,700.05 : x
2. Step 2: Convert to fraction form
   1,140,189.20/1,710,779.82 = 714,700.05/x
3. Step 3: Cross multiply
   1,140,189.20x = 1,710,779.82 × 714,700.05
4. Step 4: Simplify right side
   1,140,189.20x = 1,222,694,422,892.99
5. Step 5: Solve for x
   x = 1,222,694,422,892.99/1,140,189.20
6. Step 6: Final answer
   x = 1,072,360.99