Finding the Fourth Proportional to 82,942,258.10, 124,413,387.15 and 42,127,589.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,942,258.10 : 124,413,387.15 = 42,127,589.30 : x
2. Step 2: Convert to fraction form
   82,942,258.10/124,413,387.15 = 42,127,589.30/x
3. Step 3: Cross multiply
   82,942,258.10x = 124,413,387.15 × 42,127,589.30
4. Step 4: Simplify right side
   82,942,258.10x = 5,241,236,077,277,097
5. Step 5: Solve for x
   x = 5,241,236,077,277,097/82,942,258.10
6. Step 6: Final answer
   x = 63,191,383.95