Finding the Fourth Proportional to 760,200.52, 1,049,005.49 and 454,215.98

Step by Step Solution

1. Step 1: Write the proportion equation
   760,200.52 : 1,049,005.49 = 454,215.98 : x
2. Step 2: Convert to fraction form
   760,200.52/1,049,005.49 = 454,215.98/x
3. Step 3: Cross multiply
   760,200.52x = 1,049,005.49 × 454,215.98
4. Step 4: Simplify right side
   760,200.52x = 476,475,054,066.86
5. Step 5: Solve for x
   x = 476,475,054,066.86/760,200.52
6. Step 6: Final answer
   x = 626,775.49