Finding the Fourth Proportional to 98,036.78, 147,041.27 and 31,468.15

Step by Step Solution

1. Step 1: Write the proportion equation
   98,036.78 : 147,041.27 = 31,468.15 : x
2. Step 2: Convert to fraction form
   98,036.78/147,041.27 = 31,468.15/x
3. Step 3: Cross multiply
   98,036.78x = 147,041.27 × 31,468.15
4. Step 4: Simplify right side
   98,036.78x = 4,627,116,234.92
5. Step 5: Solve for x
   x = 4,627,116,234.92/98,036.78
6. Step 6: Final answer
   x = 47,197.76