Finding the Fourth Proportional to 345,191.82, 476,598.78 and 216,182.04

Step by Step Solution

1. Step 1: Write the proportion equation
   345,191.82 : 476,598.78 = 216,182.04 : x
2. Step 2: Convert to fraction form
   345,191.82/476,598.78 = 216,182.04/x
3. Step 3: Cross multiply
   345,191.82x = 476,598.78 × 216,182.04
4. Step 4: Simplify right side
   345,191.82x = 103,032,096,521.91
5. Step 5: Solve for x
   x = 103,032,096,521.91/345,191.82
6. Step 6: Final answer
   x = 298,477.80