Finding the Fourth Proportional to 89,895.98, 134,754.05 and 45,388.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,895.98 : 134,754.05 = 45,388.10 : x
2. Step 2: Convert to fraction form
   89,895.98/134,754.05 = 45,388.10/x
3. Step 3: Cross multiply
   89,895.98x = 134,754.05 × 45,388.10
4. Step 4: Simplify right side
   89,895.98x = 6,116,230,296.81
5. Step 5: Solve for x
   x = 6,116,230,296.81/89,895.98
6. Step 6: Final answer
   x = 68,036.75