Finding the Fourth Proportional to 107,897.10, 148,559.13 and 91,732.56

Step by Step Solution

1. Step 1: Write the proportion equation
   107,897.10 : 148,559.13 = 91,732.56 : x
2. Step 2: Convert to fraction form
   107,897.10/148,559.13 = 91,732.56/x
3. Step 3: Cross multiply
   107,897.10x = 148,559.13 × 91,732.56
4. Step 4: Simplify right side
   107,897.10x = 13,627,709,306.27
5. Step 5: Solve for x
   x = 13,627,709,306.27/107,897.10
6. Step 6: Final answer
   x = 126,302.83