Finding the Fourth Proportional to 785,726, 1,084,301.88 and 428,030

Step by Step Solution

1. Step 1: Write the proportion equation
   785,726 : 1,084,301.88 = 428,030 : x
2. Step 2: Convert to fraction form
   785,726/1,084,301.88 = 428,030/x
3. Step 3: Cross multiply
   785,726x = 1,084,301.88 × 428,030
4. Step 4: Simplify right side
   785,726x = 464,113,733,696.40
5. Step 5: Solve for x
   x = 464,113,733,696.40/785,726
6. Step 6: Final answer
   x = 590,681.40