Finding the Fourth Proportional to 98,215.50, 147,326.90 and 31,656.59

Step by Step Solution

1. Step 1: Write the proportion equation
   98,215.50 : 147,326.90 = 31,656.59 : x
2. Step 2: Convert to fraction form
   98,215.50/147,326.90 = 31,656.59/x
3. Step 3: Cross multiply
   98,215.50x = 147,326.90 × 31,656.59
4. Step 4: Simplify right side
   98,215.50x = 4,663,867,104.90
5. Step 5: Solve for x
   x = 4,663,867,104.90/98,215.50
6. Step 6: Final answer
   x = 47,486.06