Finding the Fourth Proportional to 148,377, 204,760.28 and 81,307.56

Step by Step Solution

1. Step 1: Write the proportion equation
   148,377 : 204,760.28 = 81,307.56 : x
2. Step 2: Convert to fraction form
   148,377/204,760.28 = 81,307.56/x
3. Step 3: Cross multiply
   148,377x = 204,760.28 × 81,307.56
4. Step 4: Simplify right side
   148,377x = 16,648,558,751.72
5. Step 5: Solve for x
   x = 16,648,558,751.72/148,377
6. Step 6: Final answer
   x = 112,204.44