Finding the Fourth Proportional to 769,061.81, 1,153,595.55 and 236,579.15

Step by Step Solution

1. Step 1: Write the proportion equation
   769,061.81 : 1,153,595.55 = 236,579.15 : x
2. Step 2: Convert to fraction form
   769,061.81/1,153,595.55 = 236,579.15/x
3. Step 3: Cross multiply
   769,061.81x = 1,153,595.55 × 236,579.15
4. Step 4: Simplify right side
   769,061.81x = 272,916,654,662.78
5. Step 5: Solve for x
   x = 272,916,654,662.78/769,061.81
6. Step 6: Final answer
   x = 354,869.60