Finding the Fourth Proportional to 16,426,972.78, 24,638,576.56 and 4,297,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,426,972.78 : 24,638,576.56 = 4,297,606.72 : x
2. Step 2: Convert to fraction form
   16,426,972.78/24,638,576.56 = 4,297,606.72/x
3. Step 3: Cross multiply
   16,426,972.78x = 24,638,576.56 × 4,297,606.72
4. Step 4: Simplify right side
   16,426,972.78x = 105,886,912,195,490.47
5. Step 5: Solve for x
   x = 105,886,912,195,490.47/16,426,972.78
6. Step 6: Final answer
   x = 6,445,917.55