Finding the Fourth Proportional to 1,578,978.21, 2,368,047.00 and 441,669.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,978.21 : 2,368,047.00 = 441,669.86 : x
2. Step 2: Convert to fraction form
   1,578,978.21/2,368,047.00 = 441,669.86/x
3. Step 3: Cross multiply
   1,578,978.21x = 2,368,047.00 × 441,669.86
4. Step 4: Simplify right side
   1,578,978.21x = 1,045,894,996,495.49
5. Step 5: Solve for x
   x = 1,045,894,996,495.49/1,578,978.21
6. Step 6: Final answer
   x = 662,387.23