Finding the Fourth Proportional to 1,059,087.72, 1,588,735.52 and 300,964.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059,087.72 : 1,588,735.52 = 300,964.16 : x
2. Step 2: Convert to fraction form
   1,059,087.72/1,588,735.52 = 300,964.16/x
3. Step 3: Cross multiply
   1,059,087.72x = 1,588,735.52 × 300,964.16
4. Step 4: Simplify right side
   1,059,087.72x = 478,152,451,238.96
5. Step 5: Solve for x
   x = 478,152,451,238.96/1,059,087.72
6. Step 6: Final answer
   x = 451,475.78