Finding the Fourth Proportional to 53,507,499.31, 80,241,562.01 and 18,483,703.67

Step by Step Solution

1. Step 1: Write the proportion equation
   53,507,499.31 : 80,241,562.01 = 18,483,703.67 : x
2. Step 2: Convert to fraction form
   53,507,499.31/80,241,562.01 = 18,483,703.67/x
3. Step 3: Cross multiply
   53,507,499.31x = 80,241,562.01 × 18,483,703.67
4. Step 4: Simplify right side
   53,507,499.31x = 1,483,161,253,809,561.75
5. Step 5: Solve for x
   x = 1,483,161,253,809,561.75/53,507,499.31
6. Step 6: Final answer
   x = 27,718,754.81