Finding the Fourth Proportional to 342,132.98, 472,145.01 and 189,181.94

Step by Step Solution

1. Step 1: Write the proportion equation
   342,132.98 : 472,145.01 = 189,181.94 : x
2. Step 2: Convert to fraction form
   342,132.98/472,145.01 = 189,181.94/x
3. Step 3: Cross multiply
   342,132.98x = 472,145.01 × 189,181.94
4. Step 4: Simplify right side
   342,132.98x = 89,321,308,953.12
5. Step 5: Solve for x
   x = 89,321,308,953.12/342,132.98
6. Step 6: Final answer
   x = 261,071.91