Finding the Fourth Proportional to 830,117.94, 1,245,052.98 and 231,016.64

Step by Step Solution

1. Step 1: Write the proportion equation
   830,117.94 : 1,245,052.98 = 231,016.64 : x
2. Step 2: Convert to fraction form
   830,117.94/1,245,052.98 = 231,016.64/x
3. Step 3: Cross multiply
   830,117.94x = 1,245,052.98 × 231,016.64
4. Step 4: Simplify right side
   830,117.94x = 287,627,956,061.59
5. Step 5: Solve for x
   x = 287,627,956,061.59/830,117.94
6. Step 6: Final answer
   x = 346,490.47