Finding the Fourth Proportional to 771,111.27, 1,154,654.82 and 620,529.03

Step by Step Solution

1. Step 1: Write the proportion equation
   771,111.27 : 1,154,654.82 = 620,529.03 : x
2. Step 2: Convert to fraction form
   771,111.27/1,154,654.82 = 620,529.03/x
3. Step 3: Cross multiply
   771,111.27x = 1,154,654.82 × 620,529.03
4. Step 4: Simplify right side
   771,111.27x = 716,496,835,439.43
5. Step 5: Solve for x
   x = 716,496,835,439.43/771,111.27
6. Step 6: Final answer
   x = 929,174.38