Finding the Fourth Proportional to 676,061.12, 933,016.12 and 385,679.08

Step by Step Solution

1. Step 1: Write the proportion equation
   676,061.12 : 933,016.12 = 385,679.08 : x
2. Step 2: Convert to fraction form
   676,061.12/933,016.12 = 385,679.08/x
3. Step 3: Cross multiply
   676,061.12x = 933,016.12 × 385,679.08
4. Step 4: Simplify right side
   676,061.12x = 359,844,798,786.77
5. Step 5: Solve for x
   x = 359,844,798,786.77/676,061.12
6. Step 6: Final answer
   x = 532,266.67