Finding the Fourth Proportional to 89,566.88, 134,146.08 and 42,852.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,566.88 : 134,146.08 = 42,852.80 : x
2. Step 2: Convert to fraction form
   89,566.88/134,146.08 = 42,852.80/x
3. Step 3: Cross multiply
   89,566.88x = 134,146.08 × 42,852.80
4. Step 4: Simplify right side
   89,566.88x = 5,748,535,137.02
5. Step 5: Solve for x
   x = 5,748,535,137.02/89,566.88
6. Step 6: Final answer
   x = 64,181.48