Finding the Fourth Proportional to 9,679,113, 13,357,175.94 and 5,387,774.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,679,113 : 13,357,175.94 = 5,387,774.76 : x
2. Step 2: Convert to fraction form
   9,679,113/13,357,175.94 = 5,387,774.76/x
3. Step 3: Cross multiply
   9,679,113x = 13,357,175.94 × 5,387,774.76
4. Step 4: Simplify right side
   9,679,113x = 71,965,455,394,411.27
5. Step 5: Solve for x
   x = 71,965,455,394,411.27/9,679,113
6. Step 6: Final answer
   x = 7,435,129.17