Finding the Fourth Proportional to 78,404,947.91, 108,212,371.11 and 45,383,404.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,404,947.91 : 108,212,371.11 = 45,383,404.15 : x
2. Step 2: Convert to fraction form
   78,404,947.91/108,212,371.11 = 45,383,404.15/x
3. Step 3: Cross multiply
   78,404,947.91x = 108,212,371.11 × 45,383,404.15
4. Step 4: Simplify right side
   78,404,947.91x = 4,911,045,771,887,997
5. Step 5: Solve for x
   x = 4,911,045,771,887,997/78,404,947.91
6. Step 6: Final answer
   x = 62,636,936.86