Finding the Fourth Proportional to 2,153,123.32, 3,230,316.59 and 636,846.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,123.32 : 3,230,316.59 = 636,846.25 : x
2. Step 2: Convert to fraction form
   2,153,123.32/3,230,316.59 = 636,846.25/x
3. Step 3: Cross multiply
   2,153,123.32x = 3,230,316.59 × 636,846.25
4. Step 4: Simplify right side
   2,153,123.32x = 2,057,215,006,654.29
5. Step 5: Solve for x
   x = 2,057,215,006,654.29/2,153,123.32
6. Step 6: Final answer
   x = 955,456.19