Finding the Fourth Proportional to 1,109,490.79, 1,531,082.40 and 619,467.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,490.79 : 1,531,082.40 = 619,467.83 : x
2. Step 2: Convert to fraction form
   1,109,490.79/1,531,082.40 = 619,467.83/x
3. Step 3: Cross multiply
   1,109,490.79x = 1,531,082.40 × 619,467.83
4. Step 4: Simplify right side
   1,109,490.79x = 948,456,288,051.49
5. Step 5: Solve for x
   x = 948,456,288,051.49/1,109,490.79
6. Step 6: Final answer
   x = 854,857.29