Finding the Fourth Proportional to 3,905,892.42, 5,858,546.94 and 1,210,238.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,905,892.42 : 5,858,546.94 = 1,210,238.34 : x
2. Step 2: Convert to fraction form
   3,905,892.42/5,858,546.94 = 1,210,238.34/x
3. Step 3: Cross multiply
   3,905,892.42x = 5,858,546.94 × 1,210,238.34
4. Step 4: Simplify right side
   3,905,892.42x = 7,090,238,123,477.68
5. Step 5: Solve for x
   x = 7,090,238,123,477.68/3,905,892.42
6. Step 6: Final answer
   x = 1,815,267.13