Finding the Fourth Proportional to 527,554.73, 791,330.05 and 128,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   527,554.73 : 791,330.05 = 128,196.69 : x
2. Step 2: Convert to fraction form
   527,554.73/791,330.05 = 128,196.69/x
3. Step 3: Cross multiply
   527,554.73x = 791,330.05 × 128,196.69
4. Step 4: Simplify right side
   527,554.73x = 101,445,890,300.29
5. Step 5: Solve for x
   x = 101,445,890,300.29/527,554.73
6. Step 6: Final answer
   x = 192,294.53