Finding the Fourth Proportional to 98,912.01, 136,498.59 and 53,590.29

Step by Step Solution

1. Step 1: Write the proportion equation
   98,912.01 : 136,498.59 = 53,590.29 : x
2. Step 2: Convert to fraction form
   98,912.01/136,498.59 = 53,590.29/x
3. Step 3: Cross multiply
   98,912.01x = 136,498.59 × 53,590.29
4. Step 4: Simplify right side
   98,912.01x = 7,314,999,022.69
5. Step 5: Solve for x
   x = 7,314,999,022.69/98,912.01
6. Step 6: Final answer
   x = 73,954.61