Finding the Fourth Proportional to 111,207.46, 153,460.22 and 65,889.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,207.46 : 153,460.22 = 65,889.63 : x
2. Step 2: Convert to fraction form
   111,207.46/153,460.22 = 65,889.63/x
3. Step 3: Cross multiply
   111,207.46x = 153,460.22 × 65,889.63
4. Step 4: Simplify right side
   111,207.46x = 10,111,437,115.52
5. Step 5: Solve for x
   x = 10,111,437,115.52/111,207.46
6. Step 6: Final answer
   x = 90,924.09