Finding the Fourth Proportional to 98,875.89, 136,448.96 and 53,553.69

Step by Step Solution

1. Step 1: Write the proportion equation
   98,875.89 : 136,448.96 = 53,553.69 : x
2. Step 2: Convert to fraction form
   98,875.89/136,448.96 = 53,553.69/x
3. Step 3: Cross multiply
   98,875.89x = 136,448.96 × 53,553.69
4. Step 4: Simplify right side
   98,875.89x = 7,307,345,036.89
5. Step 5: Solve for x
   x = 7,307,345,036.89/98,875.89
6. Step 6: Final answer
   x = 73,904.22