Finding the Fourth Proportional to 107,404.94, 148,260.15 and 71,581.88

Step by Step Solution

1. Step 1: Write the proportion equation
   107,404.94 : 148,260.15 = 71,581.88 : x
2. Step 2: Convert to fraction form
   107,404.94/148,260.15 = 71,581.88/x
3. Step 3: Cross multiply
   107,404.94x = 148,260.15 × 71,581.88
4. Step 4: Simplify right side
   107,404.94x = 10,612,739,601.45
5. Step 5: Solve for x
   x = 10,612,739,601.45/107,404.94
6. Step 6: Final answer
   x = 98,810.54