Finding the Fourth Proportional to 114,971,128.47, 158,661,830.49 and 65,410,435.49

Step by Step Solution

1. Step 1: Write the proportion equation
   114,971,128.47 : 158,661,830.49 = 65,410,435.49 : x
2. Step 2: Convert to fraction form
   114,971,128.47/158,661,830.49 = 65,410,435.49/x
3. Step 3: Cross multiply
   114,971,128.47x = 158,661,830.49 × 65,410,435.49
4. Step 4: Simplify right side
   114,971,128.47x = 10,378,139,427,991,462
5. Step 5: Solve for x
   x = 10,378,139,427,991,462/114,971,128.47
6. Step 6: Final answer
   x = 90,267,352.91