Finding the Fourth Proportional to 5,189,038.81, 7,780,945.12 and 1,729,553.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189,038.81 : 7,780,945.12 = 1,729,553.31 : x
2. Step 2: Convert to fraction form
   5,189,038.81/7,780,945.12 = 1,729,553.31/x
3. Step 3: Cross multiply
   5,189,038.81x = 7,780,945.12 × 1,729,553.31
4. Step 4: Simplify right side
   5,189,038.81x = 13,457,559,382,900.46
5. Step 5: Solve for x
   x = 13,457,559,382,900.46/5,189,038.81
6. Step 6: Final answer
   x = 2,593,459.00