Finding the Fourth Proportional to 116,260, 174,415.92 and 42,388

Step by Step Solution

1. Step 1: Write the proportion equation
   116,260 : 174,415.92 = 42,388 : x
2. Step 2: Convert to fraction form
   116,260/174,415.92 = 42,388/x
3. Step 3: Cross multiply
   116,260x = 174,415.92 × 42,388
4. Step 4: Simplify right side
   116,260x = 7,393,142,016.96
5. Step 5: Solve for x
   x = 7,393,142,016.96/116,260
6. Step 6: Final answer
   x = 63,591.45