Finding the Fourth Proportional to 4,801,978.89, 7,202,980.64 and 1,962,091.05

Step by Step Solution

1. Step 1: Write the proportion equation
   4,801,978.89 : 7,202,980.64 = 1,962,091.05 : x
2. Step 2: Convert to fraction form
   4,801,978.89/7,202,980.64 = 1,962,091.05/x
3. Step 3: Cross multiply
   4,801,978.89x = 7,202,980.64 × 1,962,091.05
4. Step 4: Simplify right side
   4,801,978.89x = 14,132,903,813,924.56
5. Step 5: Solve for x
   x = 14,132,903,813,924.56/4,801,978.89
6. Step 6: Final answer
   x = 2,943,141.60