Finding the Fourth Proportional to 98,736.91, 148,105.78 and 31,269.29

Step by Step Solution

1. Step 1: Write the proportion equation
   98,736.91 : 148,105.78 = 31,269.29 : x
2. Step 2: Convert to fraction form
   98,736.91/148,105.78 = 31,269.29/x
3. Step 3: Cross multiply
   98,736.91x = 148,105.78 × 31,269.29
4. Step 4: Simplify right side
   98,736.91x = 4,631,162,585.50
5. Step 5: Solve for x
   x = 4,631,162,585.50/98,736.91
6. Step 6: Final answer
   x = 46,904.07