Finding the Fourth Proportional to 1,314,189.72, 1,972,113.84 and 515,449.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,189.72 : 1,972,113.84 = 515,449.98 : x
2. Step 2: Convert to fraction form
   1,314,189.72/1,972,113.84 = 515,449.98/x
3. Step 3: Cross multiply
   1,314,189.72x = 1,972,113.84 × 515,449.98
4. Step 4: Simplify right side
   1,314,189.72x = 1,016,526,039,385.72
5. Step 5: Solve for x
   x = 1,016,526,039,385.72/1,314,189.72
6. Step 6: Final answer
   x = 773,500.22