Finding the Fourth Proportional to 769,103.48, 1,061,384.67 and 429,593.60

Step by Step Solution

1. Step 1: Write the proportion equation
   769,103.48 : 1,061,384.67 = 429,593.60 : x
2. Step 2: Convert to fraction form
   769,103.48/1,061,384.67 = 429,593.60/x
3. Step 3: Cross multiply
   769,103.48x = 1,061,384.67 × 429,593.60
4. Step 4: Simplify right side
   769,103.48x = 455,964,053,915.22
5. Step 5: Solve for x
   x = 455,964,053,915.22/769,103.48
6. Step 6: Final answer
   x = 592,851.38