Finding the Fourth Proportional to 60,678.99, 91,003.90 and 31,081.59

Step by Step Solution

1. Step 1: Write the proportion equation
   60,678.99 : 91,003.90 = 31,081.59 : x
2. Step 2: Convert to fraction form
   60,678.99/91,003.90 = 31,081.59/x
3. Step 3: Cross multiply
   60,678.99x = 91,003.90 × 31,081.59
4. Step 4: Simplify right side
   60,678.99x = 2,828,545,908.20
5. Step 5: Solve for x
   x = 2,828,545,908.20/60,678.99
6. Step 6: Final answer
   x = 46,614.91