Finding the Fourth Proportional to 1,075,300.93, 1,612,955.63 and 435,616.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075,300.93 : 1,612,955.63 = 435,616.76 : x
2. Step 2: Convert to fraction form
   1,075,300.93/1,612,955.63 = 435,616.76/x
3. Step 3: Cross multiply
   1,075,300.93x = 1,612,955.63 × 435,616.76
4. Step 4: Simplify right side
   1,075,300.93x = 702,630,503,003.64
5. Step 5: Solve for x
   x = 702,630,503,003.64/1,075,300.93
6. Step 6: Final answer
   x = 653,426.85