Finding the Fourth Proportional to 61,123.05, 91,723.05 and 26,062.20

Step by Step Solution

1. Step 1: Write the proportion equation
   61,123.05 : 91,723.05 = 26,062.20 : x
2. Step 2: Convert to fraction form
   61,123.05/91,723.05 = 26,062.20/x
3. Step 3: Cross multiply
   61,123.05x = 91,723.05 × 26,062.20
4. Step 4: Simplify right side
   61,123.05x = 2,390,504,473.71
5. Step 5: Solve for x
   x = 2,390,504,473.71/61,123.05
6. Step 6: Final answer
   x = 39,109.71