Finding the Fourth Proportional to 3,437.89, 5,156.59 and 1,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,437.89 : 5,156.59 = 1,357.50 : x
2. Step 2: Convert to fraction form
   3,437.89/5,156.59 = 1,357.50/x
3. Step 3: Cross multiply
   3,437.89x = 5,156.59 × 1,357.50
4. Step 4: Simplify right side
   3,437.89x = 7,000,070.93
5. Step 5: Solve for x
   x = 7,000,070.93/3,437.89
6. Step 6: Final answer
   x = 2,036.15