Finding the Fourth Proportional to 14,219,308.50, 19,622,658.69 and 7,780,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,219,308.50 : 19,622,658.69 = 7,780,780.50 : x
2. Step 2: Convert to fraction form
   14,219,308.50/19,622,658.69 = 7,780,780.50/x
3. Step 3: Cross multiply
   14,219,308.50x = 19,622,658.69 × 7,780,780.50
4. Step 4: Simplify right side
   14,219,308.50x = 152,679,600,093,307.56
5. Step 5: Solve for x
   x = 152,679,600,093,307.56/14,219,308.50
6. Step 6: Final answer
   x = 10,737,484.18