Finding the Fourth Proportional to 148,176.72, 204,483.96 and 81,108.72

Step by Step Solution

1. Step 1: Write the proportion equation
   148,176.72 : 204,483.96 = 81,108.72 : x
2. Step 2: Convert to fraction form
   148,176.72/204,483.96 = 81,108.72/x
3. Step 3: Cross multiply
   148,176.72x = 204,483.96 × 81,108.72
4. Step 4: Simplify right side
   148,176.72x = 16,585,432,256.13
5. Step 5: Solve for x
   x = 16,585,432,256.13/148,176.72
6. Step 6: Final answer
   x = 111,930.08