Finding the Fourth Proportional to 117,980,684.88, 162,823,037.20 and 65,067,740.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,980,684.88 : 162,823,037.20 = 65,067,740.96 : x
2. Step 2: Convert to fraction form
   117,980,684.88/162,823,037.20 = 65,067,740.96/x
3. Step 3: Cross multiply
   117,980,684.88x = 162,823,037.20 × 65,067,740.96
4. Step 4: Simplify right side
   117,980,684.88x = 10,594,527,206,850,044
5. Step 5: Solve for x
   x = 10,594,527,206,850,044/117,980,684.88
6. Step 6: Final answer
   x = 89,798,827.81