Finding the Fourth Proportional to 10,134,147.76, 13,985,137.40 and 5,487,940.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134,147.76 : 13,985,137.40 = 5,487,940.82 : x
2. Step 2: Convert to fraction form
   10,134,147.76/13,985,137.40 = 5,487,940.82/x
3. Step 3: Cross multiply
   10,134,147.76x = 13,985,137.40 × 5,487,940.82
4. Step 4: Simplify right side
   10,134,147.76x = 76,749,606,410,768.67
5. Step 5: Solve for x
   x = 76,749,606,410,768.67/10,134,147.76
6. Step 6: Final answer
   x = 7,573,365.64