Finding the Fourth Proportional to 82,979,109.40, 124,468,664.10 and 82,979,109.40

Step by Step Solution

1. Step 1: Write the proportion equation
   82,979,109.40 : 124,468,664.10 = 82,979,109.40 : x
2. Step 2: Convert to fraction form
   82,979,109.40/124,468,664.10 = 82,979,109.40/x
3. Step 3: Cross multiply
   82,979,109.40x = 124,468,664.10 × 82,979,109.40
4. Step 4: Simplify right side
   82,979,109.40x = 10,328,298,895,225,752
5. Step 5: Solve for x
   x = 10,328,298,895,225,752/82,979,109.40
6. Step 6: Final answer
   x = 124,468,664.10