Finding the Fourth Proportional to 849,377.76, 1,172,140.52 and 467,404.55

Step by Step Solution

1. Step 1: Write the proportion equation
   849,377.76 : 1,172,140.52 = 467,404.55 : x
2. Step 2: Convert to fraction form
   849,377.76/1,172,140.52 = 467,404.55/x
3. Step 3: Cross multiply
   849,377.76x = 1,172,140.52 × 467,404.55
4. Step 4: Simplify right side
   849,377.76x = 547,863,807,595.18
5. Step 5: Solve for x
   x = 547,863,807,595.18/849,377.76
6. Step 6: Final answer
   x = 645,017.84