Finding the Fourth Proportional to 838,063, 1,156,504.78 and 456,081.58

Step by Step Solution

1. Step 1: Write the proportion equation
   838,063 : 1,156,504.78 = 456,081.58 : x
2. Step 2: Convert to fraction form
   838,063/1,156,504.78 = 456,081.58/x
3. Step 3: Cross multiply
   838,063x = 1,156,504.78 × 456,081.58
4. Step 4: Simplify right side
   838,063x = 527,460,527,339.95
5. Step 5: Solve for x
   x = 527,460,527,339.95/838,063
6. Step 6: Final answer
   x = 629,380.52