Finding the Fourth Proportional to 109,002.76, 163,440.60 and 42,364.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,002.76 : 163,440.60 = 42,364.96 : x
2. Step 2: Convert to fraction form
   109,002.76/163,440.60 = 42,364.96/x
3. Step 3: Cross multiply
   109,002.76x = 163,440.60 × 42,364.96
4. Step 4: Simplify right side
   109,002.76x = 6,924,154,481.38
5. Step 5: Solve for x
   x = 6,924,154,481.38/109,002.76
6. Step 6: Final answer
   x = 63,522.74