Finding the Fourth Proportional to 1,838,978.66, 2,758,571.78 and 559,627.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838,978.66 : 2,758,571.78 = 559,627.91 : x
2. Step 2: Convert to fraction form
   1,838,978.66/2,758,571.78 = 559,627.91/x
3. Step 3: Cross multiply
   1,838,978.66x = 2,758,571.78 × 559,627.91
4. Step 4: Simplify right side
   1,838,978.66x = 1,543,773,753,580.03
5. Step 5: Solve for x
   x = 1,543,773,753,580.03/1,838,978.66
6. Step 6: Final answer
   x = 839,473.45