Finding the Fourth Proportional to 142,419.83, 213,641.93 and 37,238.63

Step by Step Solution

1. Step 1: Write the proportion equation
   142,419.83 : 213,641.93 = 37,238.63 : x
2. Step 2: Convert to fraction form
   142,419.83/213,641.93 = 37,238.63/x
3. Step 3: Cross multiply
   142,419.83x = 213,641.93 × 37,238.63
4. Step 4: Simplify right side
   142,419.83x = 7,955,731,808.64
5. Step 5: Solve for x
   x = 7,955,731,808.64/142,419.83
6. Step 6: Final answer
   x = 55,861.13