Finding the Fourth Proportional to 10,126,064.72, 13,974,011.90 and 5,479,849.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,126,064.72 : 13,974,011.90 = 5,479,849.98 : x
2. Step 2: Convert to fraction form
   10,126,064.72/13,974,011.90 = 5,479,849.98/x
3. Step 3: Cross multiply
   10,126,064.72x = 13,974,011.90 × 5,479,849.98
4. Step 4: Simplify right side
   10,126,064.72x = 76,575,488,830,734.77
5. Step 5: Solve for x
   x = 76,575,488,830,734.77/10,126,064.72
6. Step 6: Final answer
   x = 7,562,216.02