Finding the Fourth Proportional to 113,053.30, 155,959.64 and 67,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,053.30 : 155,959.64 = 67,709.50 : x
2. Step 2: Convert to fraction form
   113,053.30/155,959.64 = 67,709.50/x
3. Step 3: Cross multiply
   113,053.30x = 155,959.64 × 67,709.50
4. Step 4: Simplify right side
   113,053.30x = 10,559,948,906.03
5. Step 5: Solve for x
   x = 10,559,948,906.03/113,053.30
6. Step 6: Final answer
   x = 93,406.82