Finding the Fourth Proportional to 98,841.83, 136,401.98 and 53,520.35

Step by Step Solution

1. Step 1: Write the proportion equation
   98,841.83 : 136,401.98 = 53,520.35 : x
2. Step 2: Convert to fraction form
   98,841.83/136,401.98 = 53,520.35/x
3. Step 3: Cross multiply
   98,841.83x = 136,401.98 × 53,520.35
4. Step 4: Simplify right side
   98,841.83x = 7,300,280,760.68
5. Step 5: Solve for x
   x = 7,300,280,760.68/98,841.83
6. Step 6: Final answer
   x = 73,858.21