Finding the Fourth Proportional to 752,499.02, 1,128,606.58 and 212,751

Step by Step Solution

1. Step 1: Write the proportion equation
   752,499.02 : 1,128,606.58 = 212,751 : x
2. Step 2: Convert to fraction form
   752,499.02/1,128,606.58 = 212,751/x
3. Step 3: Cross multiply
   752,499.02x = 1,128,606.58 × 212,751
4. Step 4: Simplify right side
   752,499.02x = 240,112,178,767.52
5. Step 5: Solve for x
   x = 240,112,178,767.52/752,499.02
6. Step 6: Final answer
   x = 319,086.37