Finding the Fourth Proportional to 89,566.26, 134,145.15 and 42,852.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,566.26 : 134,145.15 = 42,852.18 : x
2. Step 2: Convert to fraction form
   89,566.26/134,145.15 = 42,852.18/x
3. Step 3: Cross multiply
   89,566.26x = 134,145.15 × 42,852.18
4. Step 4: Simplify right side
   89,566.26x = 5,748,412,113.93
5. Step 5: Solve for x
   x = 5,748,412,113.93/89,566.26
6. Step 6: Final answer
   x = 64,180.55