Finding the Fourth Proportional to 9,777,806.42, 13,493,113.50 and 5,426,780.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,777,806.42 : 13,493,113.50 = 5,426,780.44 : x
2. Step 2: Convert to fraction form
   9,777,806.42/13,493,113.50 = 5,426,780.44/x
3. Step 3: Cross multiply
   9,777,806.42x = 13,493,113.50 × 5,426,780.44
4. Step 4: Simplify right side
   9,777,806.42x = 73,224,164,416,499.95
5. Step 5: Solve for x
   x = 73,224,164,416,499.95/9,777,806.42
6. Step 6: Final answer
   x = 7,488,813.06