Finding the Fourth Proportional to 98,796.31, 136,338.52 and 53,475.06

Step by Step Solution

1. Step 1: Write the proportion equation
   98,796.31 : 136,338.52 = 53,475.06 : x
2. Step 2: Convert to fraction form
   98,796.31/136,338.52 = 53,475.06/x
3. Step 3: Cross multiply
   98,796.31x = 136,338.52 × 53,475.06
4. Step 4: Simplify right side
   98,796.31x = 7,290,710,537.31
5. Step 5: Solve for x
   x = 7,290,710,537.31/98,796.31
6. Step 6: Final answer
   x = 73,795.37