Finding the Fourth Proportional to 1,428,328.01, 2,141,364.72 and 708,173.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,328.01 : 2,141,364.72 = 708,173.18 : x
2. Step 2: Convert to fraction form
   1,428,328.01/2,141,364.72 = 708,173.18/x
3. Step 3: Cross multiply
   1,428,328.01x = 2,141,364.72 × 708,173.18
4. Step 4: Simplify right side
   1,428,328.01x = 1,516,457,063,302.21
5. Step 5: Solve for x
   x = 1,516,457,063,302.21/1,428,328.01
6. Step 6: Final answer
   x = 1,061,700.85