Finding the Fourth Proportional to 910,456.00, 1,256,429.53 and 502,558.02

Step by Step Solution

1. Step 1: Write the proportion equation
   910,456.00 : 1,256,429.53 = 502,558.02 : x
2. Step 2: Convert to fraction form
   910,456.00/1,256,429.53 = 502,558.02/x
3. Step 3: Cross multiply
   910,456.00x = 1,256,429.53 × 502,558.02
4. Step 4: Simplify right side
   910,456.00x = 631,428,734,667.64
5. Step 5: Solve for x
   x = 631,428,734,667.64/910,456.00
6. Step 6: Final answer
   x = 693,530.21