Finding the Fourth Proportional to 107,435.82, 148,213.74 and 71,590.92

Step by Step Solution

1. Step 1: Write the proportion equation
   107,435.82 : 148,213.74 = 71,590.92 : x
2. Step 2: Convert to fraction form
   107,435.82/148,213.74 = 71,590.92/x
3. Step 3: Cross multiply
   107,435.82x = 148,213.74 × 71,590.92
4. Step 4: Simplify right side
   107,435.82x = 10,610,758,003.24
5. Step 5: Solve for x
   x = 10,610,758,003.24/107,435.82
6. Step 6: Final answer
   x = 98,763.69