Finding the Fourth Proportional to 109,938.69, 164,908.69 and 31,053.60

Step by Step Solution

1. Step 1: Write the proportion equation
   109,938.69 : 164,908.69 = 31,053.60 : x
2. Step 2: Convert to fraction form
   109,938.69/164,908.69 = 31,053.60/x
3. Step 3: Cross multiply
   109,938.69x = 164,908.69 × 31,053.60
4. Step 4: Simplify right side
   109,938.69x = 5,121,008,495.78
5. Step 5: Solve for x
   x = 5,121,008,495.78/109,938.69
6. Step 6: Final answer
   x = 46,580.59