Finding the Fourth Proportional to 1,213,978.02, 1,675,290.00 and 670,114.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,978.02 : 1,675,290.00 = 670,114.16 : x
2. Step 2: Convert to fraction form
   1,213,978.02/1,675,290.00 = 670,114.16/x
3. Step 3: Cross multiply
   1,213,978.02x = 1,675,290.00 × 670,114.16
4. Step 4: Simplify right side
   1,213,978.02x = 1,122,635,539,379.38
5. Step 5: Solve for x
   x = 1,122,635,539,379.38/1,213,978.02
6. Step 6: Final answer
   x = 924,757.72