Finding the Fourth Proportional to 756,881.82, 1,133,004.51 and 490,111.56

Step by Step Solution

1. Step 1: Write the proportion equation
   756,881.82 : 1,133,004.51 = 490,111.56 : x
2. Step 2: Convert to fraction form
   756,881.82/1,133,004.51 = 490,111.56/x
3. Step 3: Cross multiply
   756,881.82x = 1,133,004.51 × 490,111.56
4. Step 4: Simplify right side
   756,881.82x = 555,298,607,883.14
5. Step 5: Solve for x
   x = 555,298,607,883.14/756,881.82
6. Step 6: Final answer
   x = 733,666.20