Finding the Fourth Proportional to 609,790.55, 914,677.52 and 189,066.42

Step by Step Solution

1. Step 1: Write the proportion equation
   609,790.55 : 914,677.52 = 189,066.42 : x
2. Step 2: Convert to fraction form
   609,790.55/914,677.52 = 189,066.42/x
3. Step 3: Cross multiply
   609,790.55x = 914,677.52 × 189,066.42
4. Step 4: Simplify right side
   609,790.55x = 172,934,803,215.55
5. Step 5: Solve for x
   x = 172,934,803,215.55/609,790.55
6. Step 6: Final answer
   x = 283,597.06