Finding the Fourth Proportional to 131,002.64, 196,484.82 and 64,424.90

Step by Step Solution

1. Step 1: Write the proportion equation
   131,002.64 : 196,484.82 = 64,424.90 : x
2. Step 2: Convert to fraction form
   131,002.64/196,484.82 = 64,424.90/x
3. Step 3: Cross multiply
   131,002.64x = 196,484.82 × 64,424.90
4. Step 4: Simplify right side
   131,002.64x = 12,658,514,880.02
5. Step 5: Solve for x
   x = 12,658,514,880.02/131,002.64
6. Step 6: Final answer
   x = 96,627.94