Finding the Fourth Proportional to 117,279.47, 175,919.34 and 28,532.98

Step by Step Solution

1. Step 1: Write the proportion equation
   117,279.47 : 175,919.34 = 28,532.98 : x
2. Step 2: Convert to fraction form
   117,279.47/175,919.34 = 28,532.98/x
3. Step 3: Cross multiply
   117,279.47x = 175,919.34 × 28,532.98
4. Step 4: Simplify right side
   117,279.47x = 5,019,503,009.83
5. Step 5: Solve for x
   x = 5,019,503,009.83/117,279.47
6. Step 6: Final answer
   x = 42,799.50