Finding the Fourth Proportional to 91,603.56, 137,457.34 and 39,007.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,603.56 : 137,457.34 = 39,007.56 : x
2. Step 2: Convert to fraction form
   91,603.56/137,457.34 = 39,007.56/x
3. Step 3: Cross multiply
   91,603.56x = 137,457.34 × 39,007.56
4. Step 4: Simplify right side
   91,603.56x = 5,361,875,437.49
5. Step 5: Solve for x
   x = 5,361,875,437.49/91,603.56
6. Step 6: Final answer
   x = 58,533.48