Finding the Fourth Proportional to 45,375.36, 62,613.72 and 42,031.68

Step by Step Solution

1. Step 1: Write the proportion equation
   45,375.36 : 62,613.72 = 42,031.68 : x
2. Step 2: Convert to fraction form
   45,375.36/62,613.72 = 42,031.68/x
3. Step 3: Cross multiply
   45,375.36x = 62,613.72 × 42,031.68
4. Step 4: Simplify right side
   45,375.36x = 2,631,759,842.65
5. Step 5: Solve for x
   x = 2,631,759,842.65/45,375.36
6. Step 6: Final answer
   x = 57,999.76