Finding the Fourth Proportional to 838,065.32, 1,156,507.98 and 456,083.90

Step by Step Solution

1. Step 1: Write the proportion equation
   838,065.32 : 1,156,507.98 = 456,083.90 : x
2. Step 2: Convert to fraction form
   838,065.32/1,156,507.98 = 456,083.90/x
3. Step 3: Cross multiply
   838,065.32x = 1,156,507.98 × 456,083.90
4. Step 4: Simplify right side
   838,065.32x = 527,464,669,899.52
5. Step 5: Solve for x
   x = 527,464,669,899.52/838,065.32
6. Step 6: Final answer
   x = 629,383.72