Finding the Fourth Proportional to 91,969.99, 137,925.82 and 39,365.35

Step by Step Solution

1. Step 1: Write the proportion equation
   91,969.99 : 137,925.82 = 39,365.35 : x
2. Step 2: Convert to fraction form
   91,969.99/137,925.82 = 39,365.35/x
3. Step 3: Cross multiply
   91,969.99x = 137,925.82 × 39,365.35
4. Step 4: Simplify right side
   91,969.99x = 5,429,498,178.34
5. Step 5: Solve for x
   x = 5,429,498,178.34/91,969.99
6. Step 6: Final answer
   x = 59,035.54