Finding the Fourth Proportional to 1,271,667.72, 1,754,896.14 and 698,706.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,667.72 : 1,754,896.14 = 698,706.12 : x
2. Step 2: Convert to fraction form
   1,271,667.72/1,754,896.14 = 698,706.12/x
3. Step 3: Cross multiply
   1,271,667.72x = 1,754,896.14 × 698,706.12
4. Step 4: Simplify right side
   1,271,667.72x = 1,226,156,672,982.38
5. Step 5: Solve for x
   x = 1,226,156,672,982.38/1,271,667.72
6. Step 6: Final answer
   x = 964,211.53