Finding the Fourth Proportional to 3,436.86, 5,152.56 and 1,487.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.86 : 5,152.56 = 1,487.70 : x
2. Step 2: Convert to fraction form
   3,436.86/5,152.56 = 1,487.70/x
3. Step 3: Cross multiply
   3,436.86x = 5,152.56 × 1,487.70
4. Step 4: Simplify right side
   3,436.86x = 7,665,463.51
5. Step 5: Solve for x
   x = 7,665,463.51/3,436.86
6. Step 6: Final answer
   x = 2,230.37