Finding the Fourth Proportional to 740,111.52, 1,021,372.56 and 453,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   740,111.52 : 1,021,372.56 = 453,789.48 : x
2. Step 2: Convert to fraction form
   740,111.52/1,021,372.56 = 453,789.48/x
3. Step 3: Cross multiply
   740,111.52x = 1,021,372.56 × 453,789.48
4. Step 4: Simplify right side
   740,111.52x = 463,488,122,888.67
5. Step 5: Solve for x
   x = 463,488,122,888.67/740,111.52
6. Step 6: Final answer
   x = 626,240.93