Finding the Fourth Proportional to 67,487,970, 101,249,217.72 and 19,618,914

Step by Step Solution

1. Step 1: Write the proportion equation
   67,487,970 : 101,249,217.72 = 19,618,914 : x
2. Step 2: Convert to fraction form
   67,487,970/101,249,217.72 = 19,618,914/x
3. Step 3: Cross multiply
   67,487,970x = 101,249,217.72 × 19,618,914
4. Step 4: Simplify right side
   67,487,970x = 1,986,399,695,015,956
5. Step 5: Solve for x
   x = 1,986,399,695,015,956/67,487,970
6. Step 6: Final answer
   x = 29,433,389.31