Finding the Fourth Proportional to 98,429.82, 147,668.25 and 31,870.02

Step by Step Solution

1. Step 1: Write the proportion equation
   98,429.82 : 147,668.25 = 31,870.02 : x
2. Step 2: Convert to fraction form
   98,429.82/147,668.25 = 31,870.02/x
3. Step 3: Cross multiply
   98,429.82x = 147,668.25 × 31,870.02
4. Step 4: Simplify right side
   98,429.82x = 4,706,190,080.87
5. Step 5: Solve for x
   x = 4,706,190,080.87/98,429.82
6. Step 6: Final answer
   x = 47,812.65