Finding the Fourth Proportional to 1,776,819.30, 2,664,632.52 and 578,459.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,819.30 : 2,664,632.52 = 578,459.94 : x
2. Step 2: Convert to fraction form
   1,776,819.30/2,664,632.52 = 578,459.94/x
3. Step 3: Cross multiply
   1,776,819.30x = 2,664,632.52 × 578,459.94
4. Step 4: Simplify right side
   1,776,819.30x = 1,541,383,167,641.25
5. Step 5: Solve for x
   x = 1,541,383,167,641.25/1,776,819.30
6. Step 6: Final answer
   x = 867,495.74