Finding the Fourth Proportional to 107,448.61, 161,172.72 and 28,562.83

Step by Step Solution

1. Step 1: Write the proportion equation
   107,448.61 : 161,172.72 = 28,562.83 : x
2. Step 2: Convert to fraction form
   107,448.61/161,172.72 = 28,562.83/x
3. Step 3: Cross multiply
   107,448.61x = 161,172.72 × 28,562.83
4. Step 4: Simplify right side
   107,448.61x = 4,603,549,002.00
5. Step 5: Solve for x
   x = 4,603,549,002.00/107,448.61
6. Step 6: Final answer
   x = 42,844.19