Finding the Fourth Proportional to 830,373.91, 1,145,919.50 and 467,802.12

Step by Step Solution

1. Step 1: Write the proportion equation
   830,373.91 : 1,145,919.50 = 467,802.12 : x
2. Step 2: Convert to fraction form
   830,373.91/1,145,919.50 = 467,802.12/x
3. Step 3: Cross multiply
   830,373.91x = 1,145,919.50 × 467,802.12
4. Step 4: Simplify right side
   830,373.91x = 536,063,563,380.73
5. Step 5: Solve for x
   x = 536,063,563,380.73/830,373.91
6. Step 6: Final answer
   x = 645,568.89