Finding the Fourth Proportional to 89,642,956.19, 123,704,013.60 and 49,948,435.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,642,956.19 : 123,704,013.60 = 49,948,435.98 : x
2. Step 2: Convert to fraction form
   89,642,956.19/123,704,013.60 = 49,948,435.98/x
3. Step 3: Cross multiply
   89,642,956.19x = 123,704,013.60 × 49,948,435.98
4. Step 4: Simplify right side
   89,642,956.19x = 6,178,822,003,768,649
5. Step 5: Solve for x
   x = 6,178,822,003,768,649/89,642,956.19
6. Step 6: Final answer
   x = 68,927,021.90