Finding the Fourth Proportional to 117,606,783.09, 162,301,324.83 and 64,687,583.61

Step by Step Solution

1. Step 1: Write the proportion equation
   117,606,783.09 : 162,301,324.83 = 64,687,583.61 : x
2. Step 2: Convert to fraction form
   117,606,783.09/162,301,324.83 = 64,687,583.61/x
3. Step 3: Cross multiply
   117,606,783.09x = 162,301,324.83 × 64,687,583.61
4. Step 4: Simplify right side
   117,606,783.09x = 10,498,880,518,819,448
5. Step 5: Solve for x
   x = 10,498,880,518,819,448/117,606,783.09
6. Step 6: Final answer
   x = 89,271,045.79