Finding the Fourth Proportional to 105,062,689.34, 157,689,666.90 and 55,919,800.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,062,689.34 : 157,689,666.90 = 55,919,800.34 : x
2. Step 2: Convert to fraction form
   105,062,689.34/157,689,666.90 = 55,919,800.34/x
3. Step 3: Cross multiply
   105,062,689.34x = 157,689,666.90 × 55,919,800.34
4. Step 4: Simplify right side
   105,062,689.34x = 8,817,974,688,729,108
5. Step 5: Solve for x
   x = 8,817,974,688,729,108/105,062,689.34
6. Step 6: Final answer
   x = 83,930,601.28