Finding the Fourth Proportional to 204,805,016.52, 307,207,820.40 and 83,636,468.52

Step by Step Solution

1. Step 1: Write the proportion equation
   204,805,016.52 : 307,207,820.40 = 83,636,468.52 : x
2. Step 2: Convert to fraction form
   204,805,016.52/307,207,820.40 = 83,636,468.52/x
3. Step 3: Cross multiply
   204,805,016.52x = 307,207,820.40 × 83,636,468.52
4. Step 4: Simplify right side
   204,805,016.52x = 25,693,777,199,982,412
5. Step 5: Solve for x
   x = 25,693,777,199,982,412/204,805,016.52
6. Step 6: Final answer
   x = 125,454,823.50