Finding the Fourth Proportional to 109,501.32, 151,085.94 and 66,479.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,501.32 : 151,085.94 = 66,479.72 : x
2. Step 2: Convert to fraction form
   109,501.32/151,085.94 = 66,479.72/x
3. Step 3: Cross multiply
   109,501.32x = 151,085.94 × 66,479.72
4. Step 4: Simplify right side
   109,501.32x = 10,044,150,987.14
5. Step 5: Solve for x
   x = 10,044,150,987.14/109,501.32
6. Step 6: Final answer
   x = 91,726.30