Finding the Fourth Proportional to 196,978,956.19, 271,832,028.24 and 107,671,020.37

Step by Step Solution

1. Step 1: Write the proportion equation
   196,978,956.19 : 271,832,028.24 = 107,671,020.37 : x
2. Step 2: Convert to fraction form
   196,978,956.19/271,832,028.24 = 107,671,020.37/x
3. Step 3: Cross multiply
   196,978,956.19x = 271,832,028.24 × 107,671,020.37
4. Step 4: Simplify right side
   196,978,956.19x = 29,268,431,849,847,456
5. Step 5: Solve for x
   x = 29,268,431,849,847,456/196,978,956.19
6. Step 6: Final answer
   x = 148,586,592.27