Finding the Fourth Proportional to 1,670,075.84, 2,301,522.72 and 1,639,366.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670,075.84 : 2,301,522.72 = 1,639,366.40 : x
2. Step 2: Convert to fraction form
   1,670,075.84/2,301,522.72 = 1,639,366.40/x
3. Step 3: Cross multiply
   1,670,075.84x = 2,301,522.72 × 1,639,366.40
4. Step 4: Simplify right side
   1,670,075.84x = 3,773,039,016,004.61
5. Step 5: Solve for x
   x = 3,773,039,016,004.61/1,670,075.84
6. Step 6: Final answer
   x = 2,259,202.20