Finding the Fourth Proportional to 9,418,998.33, 12,994,508.23 and 5,442,642.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,418,998.33 : 12,994,508.23 = 5,442,642.25 : x
2. Step 2: Convert to fraction form
   9,418,998.33/12,994,508.23 = 5,442,642.25/x
3. Step 3: Cross multiply
   9,418,998.33x = 12,994,508.23 × 5,442,642.25
4. Step 4: Simplify right side
   9,418,998.33x = 70,724,459,464,477.83
5. Step 5: Solve for x
   x = 70,724,459,464,477.83/9,418,998.33
6. Step 6: Final answer
   x = 7,508,702.84