Finding the Fourth Proportional to 734,111.02, 1,013,106.59 and 428,193.46

Step by Step Solution

1. Step 1: Write the proportion equation
   734,111.02 : 1,013,106.59 = 428,193.46 : x
2. Step 2: Convert to fraction form
   734,111.02/1,013,106.59 = 428,193.46/x
3. Step 3: Cross multiply
   734,111.02x = 1,013,106.59 × 428,193.46
4. Step 4: Simplify right side
   734,111.02x = 433,805,616,120.90
5. Step 5: Solve for x
   x = 433,805,616,120.90/734,111.02
6. Step 6: Final answer
   x = 590,926.45