Finding the Fourth Proportional to 10,050.78, 15,089.13 and 5,437.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,050.78 : 15,089.13 = 5,437.02 : x
2. Step 2: Convert to fraction form
   10,050.78/15,089.13 = 5,437.02/x
3. Step 3: Cross multiply
   10,050.78x = 15,089.13 × 5,437.02
4. Step 4: Simplify right side
   10,050.78x = 82,039,901.59
5. Step 5: Solve for x
   x = 82,039,901.59/10,050.78
6. Step 6: Final answer
   x = 8,162.54