Finding the Fourth Proportional to 98,456.56, 147,684.92 and 28,335.96

Step by Step Solution

1. Step 1: Write the proportion equation
   98,456.56 : 147,684.92 = 28,335.96 : x
2. Step 2: Convert to fraction form
   98,456.56/147,684.92 = 28,335.96/x
3. Step 3: Cross multiply
   98,456.56x = 147,684.92 × 28,335.96
4. Step 4: Simplify right side
   98,456.56x = 4,184,793,985.72
5. Step 5: Solve for x
   x = 4,184,793,985.72/98,456.56
6. Step 6: Final answer
   x = 42,503.96