Finding the Fourth Proportional to 121,441, 182,036.38 and 46,543.72

Step by Step Solution

1. Step 1: Write the proportion equation
   121,441 : 182,036.38 = 46,543.72 : x
2. Step 2: Convert to fraction form
   121,441/182,036.38 = 46,543.72/x
3. Step 3: Cross multiply
   121,441x = 182,036.38 × 46,543.72
4. Step 4: Simplify right side
   121,441x = 8,472,650,300.53
5. Step 5: Solve for x
   x = 8,472,650,300.53/121,441
6. Step 6: Final answer
   x = 69,767.63