Finding the Fourth Proportional to 105,062,676.38, 157,689,647.42 and 55,919,787.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,062,676.38 : 157,689,647.42 = 55,919,787.37 : x
2. Step 2: Convert to fraction form
   105,062,676.38/157,689,647.42 = 55,919,787.37/x
3. Step 3: Cross multiply
   105,062,676.38x = 157,689,647.42 × 55,919,787.37
4. Step 4: Simplify right side
   105,062,676.38x = 8,817,971,553,922,245
5. Step 5: Solve for x
   x = 8,817,971,553,922,245/105,062,676.38
6. Step 6: Final answer
   x = 83,930,581.80