Finding the Fourth Proportional to 50,809,178.79, 76,213,826.98 and 13,921,382.67

Step by Step Solution

1. Step 1: Write the proportion equation
   50,809,178.79 : 76,213,826.98 = 13,921,382.67 : x
2. Step 2: Convert to fraction form
   50,809,178.79/76,213,826.98 = 13,921,382.67/x
3. Step 3: Cross multiply
   50,809,178.79x = 76,213,826.98 × 13,921,382.67
4. Step 4: Simplify right side
   50,809,178.79x = 1,061,001,849,813,145.25
5. Step 5: Solve for x
   x = 1,061,001,849,813,145.25/50,809,178.79
6. Step 6: Final answer
   x = 20,882,090.11