Finding the Fourth Proportional to 61,031.05, 91,561.20 and 25,472.59

Step by Step Solution

1. Step 1: Write the proportion equation
   61,031.05 : 91,561.20 = 25,472.59 : x
2. Step 2: Convert to fraction form
   61,031.05/91,561.20 = 25,472.59/x
3. Step 3: Cross multiply
   61,031.05x = 91,561.20 × 25,472.59
4. Step 4: Simplify right side
   61,031.05x = 2,332,300,907.51
5. Step 5: Solve for x
   x = 2,332,300,907.51/61,031.05
6. Step 6: Final answer
   x = 38,214.99