Finding the Fourth Proportional to 12,654,924.72, 18,985,622.76 and 3,679,476.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,654,924.72 : 18,985,622.76 = 3,679,476.72 : x
2. Step 2: Convert to fraction form
   12,654,924.72/18,985,622.76 = 3,679,476.72/x
3. Step 3: Cross multiply
   12,654,924.72x = 18,985,622.76 × 3,679,476.72
4. Step 4: Simplify right side
   12,654,924.72x = 69,857,156,960,122.16
5. Step 5: Solve for x
   x = 69,857,156,960,122.16/12,654,924.72
6. Step 6: Final answer
   x = 5,520,155.87