Finding the Fourth Proportional to 19,881,089.82, 29,818,134.81 and 5,308,190.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,881,089.82 : 29,818,134.81 = 5,308,190.10 : x
2. Step 2: Convert to fraction form
   19,881,089.82/29,818,134.81 = 5,308,190.10/x
3. Step 3: Cross multiply
   19,881,089.82x = 29,818,134.81 × 5,308,190.10
4. Step 4: Simplify right side
   19,881,089.82x = 158,280,327,998,907.38
5. Step 5: Solve for x
   x = 158,280,327,998,907.38/19,881,089.82
6. Step 6: Final answer
   x = 7,961,350.68