Finding the Fourth Proportional to 84,150,388.24, 126,303,175.40 and 42,680,369.52

Step by Step Solution

1. Step 1: Write the proportion equation
   84,150,388.24 : 126,303,175.40 = 42,680,369.52 : x
2. Step 2: Convert to fraction form
   84,150,388.24/126,303,175.40 = 42,680,369.52/x
3. Step 3: Cross multiply
   84,150,388.24x = 126,303,175.40 × 42,680,369.52
4. Step 4: Simplify right side
   84,150,388.24x = 5,390,666,197,621,374
5. Step 5: Solve for x
   x = 5,390,666,197,621,374/84,150,388.24
6. Step 6: Final answer
   x = 64,059,908.82