Finding the Fourth Proportional to 3,702,978.84, 5,108,052.86 and 2,154,066.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,702,978.84 : 5,108,052.86 = 2,154,066.20 : x
2. Step 2: Convert to fraction form
   3,702,978.84/5,108,052.86 = 2,154,066.20/x
3. Step 3: Cross multiply
   3,702,978.84x = 5,108,052.86 × 2,154,066.20
4. Step 4: Simplify right side
   3,702,978.84x = 11,003,084,013,539.33
5. Step 5: Solve for x
   x = 11,003,084,013,539.33/3,702,978.84
6. Step 6: Final answer
   x = 2,971,414.23