Finding the Fourth Proportional to 1,528,300.10, 2,109,075.96 and 840,035.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,300.10 : 2,109,075.96 = 840,035.59 : x
2. Step 2: Convert to fraction form
   1,528,300.10/2,109,075.96 = 840,035.59/x
3. Step 3: Cross multiply
   1,528,300.10x = 2,109,075.96 × 840,035.59
4. Step 4: Simplify right side
   1,528,300.10x = 1,771,698,868,413.42
5. Step 5: Solve for x
   x = 1,771,698,868,413.42/1,528,300.10
6. Step 6: Final answer
   x = 1,159,261.11