Finding the Fourth Proportional to 142,973.02, 214,460.34 and 37,790.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,973.02 : 214,460.34 = 37,790.88 : x
2. Step 2: Convert to fraction form
   142,973.02/214,460.34 = 37,790.88/x
3. Step 3: Cross multiply
   142,973.02x = 214,460.34 × 37,790.88
4. Step 4: Simplify right side
   142,973.02x = 8,104,644,973.70
5. Step 5: Solve for x
   x = 8,104,644,973.70/142,973.02
6. Step 6: Final answer
   x = 56,686.53