Finding the Fourth Proportional to 881,667.72, 1,322,462.70 and 282,658.95

Step by Step Solution

1. Step 1: Write the proportion equation
   881,667.72 : 1,322,462.70 = 282,658.95 : x
2. Step 2: Convert to fraction form
   881,667.72/1,322,462.70 = 282,658.95/x
3. Step 3: Cross multiply
   881,667.72x = 1,322,462.70 × 282,658.95
4. Step 4: Simplify right side
   881,667.72x = 373,805,918,196.17
5. Step 5: Solve for x
   x = 373,805,918,196.17/881,667.72
6. Step 6: Final answer
   x = 423,975.96