Finding the Fourth Proportional to 91,278.01, 136,932.59 and 40,695.39

Step by Step Solution

1. Step 1: Write the proportion equation
   91,278.01 : 136,932.59 = 40,695.39 : x
2. Step 2: Convert to fraction form
   91,278.01/136,932.59 = 40,695.39/x
3. Step 3: Cross multiply
   91,278.01x = 136,932.59 × 40,695.39
4. Step 4: Simplify right side
   91,278.01x = 5,572,525,616.39
5. Step 5: Solve for x
   x = 5,572,525,616.39/91,278.01
6. Step 6: Final answer
   x = 61,050.03