Finding the Fourth Proportional to 116,517,144.69, 174,798,741.02 and 42,741,609.21

Step by Step Solution

1. Step 1: Write the proportion equation
   116,517,144.69 : 174,798,741.02 = 42,741,609.21 : x
2. Step 2: Convert to fraction form
   116,517,144.69/174,798,741.02 = 42,741,609.21/x
3. Step 3: Cross multiply
   116,517,144.69x = 174,798,741.02 × 42,741,609.21
4. Step 4: Simplify right side
   116,517,144.69x = 7,471,179,478,863,128
5. Step 5: Solve for x
   x = 7,471,179,478,863,128/116,517,144.69
6. Step 6: Final answer
   x = 64,120,859.63