Finding the Fourth Proportional to 777,111.84, 1,164,976.20 and 303,689.52

Step by Step Solution

1. Step 1: Write the proportion equation
   777,111.84 : 1,164,976.20 = 303,689.52 : x
2. Step 2: Convert to fraction form
   777,111.84/1,164,976.20 = 303,689.52/x
3. Step 3: Cross multiply
   777,111.84x = 1,164,976.20 × 303,689.52
4. Step 4: Simplify right side
   777,111.84x = 353,791,062,989.42
5. Step 5: Solve for x
   x = 353,791,062,989.42/777,111.84
6. Step 6: Final answer
   x = 455,264.02