Finding the Fourth Proportional to 91,546.58, 137,341.80 and 38,208.89

Step by Step Solution

1. Step 1: Write the proportion equation
   91,546.58 : 137,341.80 = 38,208.89 : x
2. Step 2: Convert to fraction form
   91,546.58/137,341.80 = 38,208.89/x
3. Step 3: Cross multiply
   91,546.58x = 137,341.80 × 38,208.89
4. Step 4: Simplify right side
   91,546.58x = 5,247,677,041.89
5. Step 5: Solve for x
   x = 5,247,677,041.89/91,546.58
6. Step 6: Final answer
   x = 57,322.48