Finding the Fourth Proportional to 771,071.84, 1,156,938.56 and 298,089.35

Step by Step Solution

1. Step 1: Write the proportion equation
   771,071.84 : 1,156,938.56 = 298,089.35 : x
2. Step 2: Convert to fraction form
   771,071.84/1,156,938.56 = 298,089.35/x
3. Step 3: Cross multiply
   771,071.84x = 1,156,938.56 × 298,089.35
4. Step 4: Simplify right side
   771,071.84x = 344,871,061,849.89
5. Step 5: Solve for x
   x = 344,871,061,849.89/771,071.84
6. Step 6: Final answer
   x = 447,261.91