Finding the Fourth Proportional to 89,411.04, 134,145.84 and 42,657.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,411.04 : 134,145.84 = 42,657.84 : x
2. Step 2: Convert to fraction form
   89,411.04/134,145.84 = 42,657.84/x
3. Step 3: Cross multiply
   89,411.04x = 134,145.84 × 42,657.84
4. Step 4: Simplify right side
   89,411.04x = 5,722,371,779.39
5. Step 5: Solve for x
   x = 5,722,371,779.39/89,411.04
6. Step 6: Final answer
   x = 64,000.73