Finding the Fourth Proportional to 67,487,976, 101,249,226.72 and 19,618,920

Step by Step Solution

1. Step 1: Write the proportion equation
   67,487,976 : 101,249,226.72 = 19,618,920 : x
2. Step 2: Convert to fraction form
   67,487,976/101,249,226.72 = 19,618,920/x
3. Step 3: Cross multiply
   67,487,976x = 101,249,226.72 × 19,618,920
4. Step 4: Simplify right side
   67,487,976x = 1,986,400,479,081,542.50
5. Step 5: Solve for x
   x = 1,986,400,479,081,542.50/67,487,976
6. Step 6: Final answer
   x = 29,433,398.32