Finding the Fourth Proportional to 208,089, 312,185.34 and 60,345

Step by Step Solution

1. Step 1: Write the proportion equation
   208,089 : 312,185.34 = 60,345 : x
2. Step 2: Convert to fraction form
   208,089/312,185.34 = 60,345/x
3. Step 3: Cross multiply
   208,089x = 312,185.34 × 60,345
4. Step 4: Simplify right side
   208,089x = 18,838,824,342.30
5. Step 5: Solve for x
   x = 18,838,824,342.30/208,089
6. Step 6: Final answer
   x = 90,532.53