Finding the Fourth Proportional to 89,746.88, 134,622.40 and 42,948.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,746.88 : 134,622.40 = 42,948.32 : x
2. Step 2: Convert to fraction form
   89,746.88/134,622.40 = 42,948.32/x
3. Step 3: Cross multiply
   89,746.88x = 134,622.40 × 42,948.32
4. Step 4: Simplify right side
   89,746.88x = 5,781,805,914.37
5. Step 5: Solve for x
   x = 5,781,805,914.37/89,746.88
6. Step 6: Final answer
   x = 64,423.48