Finding the Fourth Proportional to 98,833.10, 136,388.04 and 53,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   98,833.10 : 136,388.04 = 53,510.72 : x
2. Step 2: Convert to fraction form
   98,833.10/136,388.04 = 53,510.72/x
3. Step 3: Cross multiply
   98,833.10x = 136,388.04 × 53,510.72
4. Step 4: Simplify right side
   98,833.10x = 7,298,222,219.79
5. Step 5: Solve for x
   x = 7,298,222,219.79/98,833.10
6. Step 6: Final answer
   x = 73,843.91