Finding the Fourth Proportional to 142,545.42, 213,801.69 and 37,372.74

Step by Step Solution

1. Step 1: Write the proportion equation
   142,545.42 : 213,801.69 = 37,372.74 : x
2. Step 2: Convert to fraction form
   142,545.42/213,801.69 = 37,372.74/x
3. Step 3: Cross multiply
   142,545.42x = 213,801.69 × 37,372.74
4. Step 4: Simplify right side
   142,545.42x = 7,990,354,971.93
5. Step 5: Solve for x
   x = 7,990,354,971.93/142,545.42
6. Step 6: Final answer
   x = 56,054.80