Finding the Fourth Proportional to 91,984.10, 137,782.22 and 42,106.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,984.10 : 137,782.22 = 42,106.10 : x
2. Step 2: Convert to fraction form
   91,984.10/137,782.22 = 42,106.10/x
3. Step 3: Cross multiply
   91,984.10x = 137,782.22 × 42,106.10
4. Step 4: Simplify right side
   91,984.10x = 5,801,471,034.10
5. Step 5: Solve for x
   x = 5,801,471,034.10/91,984.10
6. Step 6: Final answer
   x = 63,070.37