Finding the Fourth Proportional to 113,185,906.10, 169,778,859.15 and 113,185,906.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,185,906.10 : 169,778,859.15 = 113,185,906.10 : x
2. Step 2: Convert to fraction form
   113,185,906.10/169,778,859.15 = 113,185,906.10/x
3. Step 3: Cross multiply
   113,185,906.10x = 169,778,859.15 × 113,185,906.10
4. Step 4: Simplify right side
   113,185,906.10x = 19,216,574,009,517,024
5. Step 5: Solve for x
   x = 19,216,574,009,517,024/113,185,906.10
6. Step 6: Final answer
   x = 169,778,859.15