Finding the Fourth Proportional to 132,860,404.10, 199,290,606.15 and 132,860,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   132,860,404.10 : 199,290,606.15 = 132,860,404.10 : x
2. Step 2: Convert to fraction form
   132,860,404.10/199,290,606.15 = 132,860,404.10/x
3. Step 3: Cross multiply
   132,860,404.10x = 199,290,606.15 × 132,860,404.10
4. Step 4: Simplify right side
   132,860,404.10x = 26,477,830,466,422,944
5. Step 5: Solve for x
   x = 26,477,830,466,422,944/132,860,404.10
6. Step 6: Final answer
   x = 199,290,606.15