Finding the Fourth Proportional to 1,878,509.40, 2,592,341.72 and 1,019,069.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878,509.40 : 2,592,341.72 = 1,019,069.72 : x
2. Step 2: Convert to fraction form
   1,878,509.40/2,592,341.72 = 1,019,069.72/x
3. Step 3: Cross multiply
   1,878,509.40x = 2,592,341.72 × 1,019,069.72
4. Step 4: Simplify right side
   1,878,509.40x = 2,641,776,950,744.72
5. Step 5: Solve for x
   x = 2,641,776,950,744.72/1,878,509.40
6. Step 6: Final answer
   x = 1,406,315.53