Finding the Fourth Proportional to 142,698.47, 214,030.69 and 37,525.64

Step by Step Solution

1. Step 1: Write the proportion equation
   142,698.47 : 214,030.69 = 37,525.64 : x
2. Step 2: Convert to fraction form
   142,698.47/214,030.69 = 37,525.64/x
3. Step 3: Cross multiply
   142,698.47x = 214,030.69 × 37,525.64
4. Step 4: Simplify right side
   142,698.47x = 8,031,638,621.89
5. Step 5: Solve for x
   x = 8,031,638,621.89/142,698.47
6. Step 6: Final answer
   x = 56,283.99