Finding the Fourth Proportional to 98,826.69, 136,379.83 and 53,503.47

Step by Step Solution

1. Step 1: Write the proportion equation
   98,826.69 : 136,379.83 = 53,503.47 : x
2. Step 2: Convert to fraction form
   98,826.69/136,379.83 = 53,503.47/x
3. Step 3: Cross multiply
   98,826.69x = 136,379.83 × 53,503.47
4. Step 4: Simplify right side
   98,826.69x = 7,296,794,143.01
5. Step 5: Solve for x
   x = 7,296,794,143.01/98,826.69
6. Step 6: Final answer
   x = 73,834.25