Finding the Fourth Proportional to 64,346.56, 88,798.72 and 38,854.08

Step by Step Solution

1. Step 1: Write the proportion equation
   64,346.56 : 88,798.72 = 38,854.08 : x
2. Step 2: Convert to fraction form
   64,346.56/88,798.72 = 38,854.08/x
3. Step 3: Cross multiply
   64,346.56x = 88,798.72 × 38,854.08
4. Step 4: Simplify right side
   64,346.56x = 3,450,192,570.78
5. Step 5: Solve for x
   x = 3,450,192,570.78/64,346.56
6. Step 6: Final answer
   x = 53,618.91