Finding the Fourth Proportional to 1,375,749.28, 1,898,507.37 and 763,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375,749.28 : 1,898,507.37 = 763,870.42 : x
2. Step 2: Convert to fraction form
   1,375,749.28/1,898,507.37 = 763,870.42/x
3. Step 3: Cross multiply
   1,375,749.28x = 1,898,507.37 × 763,870.42
4. Step 4: Simplify right side
   1,375,749.28x = 1,450,213,622,095.00
5. Step 5: Solve for x
   x = 1,450,213,622,095.00/1,375,749.28
6. Step 6: Final answer
   x = 1,054,126.39