Finding the Fourth Proportional to 1,069,300.55, 1,475,578.34 and 610,396.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,300.55 : 1,475,578.34 = 610,396.88 : x
2. Step 2: Convert to fraction form
   1,069,300.55/1,475,578.34 = 610,396.88/x
3. Step 3: Cross multiply
   1,069,300.55x = 1,475,578.34 × 610,396.88
4. Step 4: Simplify right side
   1,069,300.55x = 900,688,404,501.70
5. Step 5: Solve for x
   x = 900,688,404,501.70/1,069,300.55
6. Step 6: Final answer
   x = 842,315.48