Finding the Fourth Proportional to 3,116,428.72, 4,676,123.41 and 2,158,358.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116,428.72 : 4,676,123.41 = 2,158,358.70 : x
2. Step 2: Convert to fraction form
   3,116,428.72/4,676,123.41 = 2,158,358.70/x
3. Step 3: Cross multiply
   3,116,428.72x = 4,676,123.41 × 2,158,358.70
4. Step 4: Simplify right side
   3,116,428.72x = 10,092,751,623,002.33
5. Step 5: Solve for x
   x = 10,092,751,623,002.33/3,116,428.72
6. Step 6: Final answer
   x = 3,238,563.28