Finding the Fourth Proportional to 910,669.59, 1,256,725.89 and 502,772.22

Step by Step Solution

1. Step 1: Write the proportion equation
   910,669.59 : 1,256,725.89 = 502,772.22 : x
2. Step 2: Convert to fraction form
   910,669.59/1,256,725.89 = 502,772.22/x
3. Step 3: Cross multiply
   910,669.59x = 1,256,725.89 × 502,772.22
4. Step 4: Simplify right side
   910,669.59x = 631,846,865,646.78
5. Step 5: Solve for x
   x = 631,846,865,646.78/910,669.59
6. Step 6: Final answer
   x = 693,826.69