Finding the Fourth Proportional to 64,914.18, 89,581.86 and 38,057.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,914.18 : 89,581.86 = 38,057.10 : x
2. Step 2: Convert to fraction form
   64,914.18/89,581.86 = 38,057.10/x
3. Step 3: Cross multiply
   64,914.18x = 89,581.86 × 38,057.10
4. Step 4: Simplify right side
   64,914.18x = 3,409,225,804.21
5. Step 5: Solve for x
   x = 3,409,225,804.21/64,914.18
6. Step 6: Final answer
   x = 52,518.97