Finding the Fourth Proportional to 14,429,106.72, 21,638,554.72 and 4,191,836.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,429,106.72 : 21,638,554.72 = 4,191,836.64 : x
2. Step 2: Convert to fraction form
   14,429,106.72/21,638,554.72 = 4,191,836.64/x
3. Step 3: Cross multiply
   14,429,106.72x = 21,638,554.72 × 4,191,836.64
4. Step 4: Simplify right side
   14,429,106.72x = 90,705,286,511,940.94
5. Step 5: Solve for x
   x = 90,705,286,511,940.94/14,429,106.72
6. Step 6: Final answer
   x = 6,286,271.79