Finding the Fourth Proportional to 876,385, 1,209,411.30 and 473,977

Step by Step Solution

1. Step 1: Write the proportion equation
   876,385 : 1,209,411.30 = 473,977 : x
2. Step 2: Convert to fraction form
   876,385/1,209,411.30 = 473,977/x
3. Step 3: Cross multiply
   876,385x = 1,209,411.30 × 473,977
4. Step 4: Simplify right side
   876,385x = 573,233,139,740.10
5. Step 5: Solve for x
   x = 573,233,139,740.10/876,385
6. Step 6: Final answer
   x = 654,088.26