Finding the Fourth Proportional to 89,381.07, 134,100.77 and 42,627.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,381.07 : 134,100.77 = 42,627.87 : x
2. Step 2: Convert to fraction form
   89,381.07/134,100.77 = 42,627.87/x
3. Step 3: Cross multiply
   89,381.07x = 134,100.77 × 42,627.87
4. Step 4: Simplify right side
   89,381.07x = 5,716,429,977.32
5. Step 5: Solve for x
   x = 5,716,429,977.32/89,381.07
6. Step 6: Final answer
   x = 63,955.71