Finding the Fourth Proportional to 194,841.72, 292,264.72 and 68,485.57

Step by Step Solution

1. Step 1: Write the proportion equation
   194,841.72 : 292,264.72 = 68,485.57 : x
2. Step 2: Convert to fraction form
   194,841.72/292,264.72 = 68,485.57/x
3. Step 3: Cross multiply
   194,841.72x = 292,264.72 × 68,485.57
4. Step 4: Simplify right side
   194,841.72x = 20,015,915,038.21
5. Step 5: Solve for x
   x = 20,015,915,038.21/194,841.72
6. Step 6: Final answer
   x = 102,729.10