Finding the Fourth Proportional to 81,673,404.10, 122,510,106.15 and 81,673,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,673,404.10 : 122,510,106.15 = 81,673,404.10 : x
2. Step 2: Convert to fraction form
   81,673,404.10/122,510,106.15 = 81,673,404.10/x
3. Step 3: Cross multiply
   81,673,404.10x = 122,510,106.15 × 81,673,404.10
4. Step 4: Simplify right side
   81,673,404.10x = 10,005,817,405,922,844
5. Step 5: Solve for x
   x = 10,005,817,405,922,844/81,673,404.10
6. Step 6: Final answer
   x = 122,510,106.15