Finding the Fourth Proportional to 98,173.05, 147,312.42 and 39,009.25

Step by Step Solution

1. Step 1: Write the proportion equation
   98,173.05 : 147,312.42 = 39,009.25 : x
2. Step 2: Convert to fraction form
   98,173.05/147,312.42 = 39,009.25/x
3. Step 3: Cross multiply
   98,173.05x = 147,312.42 × 39,009.25
4. Step 4: Simplify right side
   98,173.05x = 5,746,547,019.89
5. Step 5: Solve for x
   x = 5,746,547,019.89/98,173.05
6. Step 6: Final answer
   x = 58,534.88