Finding the Fourth Proportional to 111,302.35, 153,590.72 and 65,984.67

Step by Step Solution

1. Step 1: Write the proportion equation
   111,302.35 : 153,590.72 = 65,984.67 : x
2. Step 2: Convert to fraction form
   111,302.35/153,590.72 = 65,984.67/x
3. Step 3: Cross multiply
   111,302.35x = 153,590.72 × 65,984.67
4. Step 4: Simplify right side
   111,302.35x = 10,134,632,644.34
5. Step 5: Solve for x
   x = 10,134,632,644.34/111,302.35
6. Step 6: Final answer
   x = 91,054.98