Finding the Fourth Proportional to 85,543.72, 128,322.76 and 22,363.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,543.72 : 128,322.76 = 22,363.72 : x
2. Step 2: Convert to fraction form
   85,543.72/128,322.76 = 22,363.72/x
3. Step 3: Cross multiply
   85,543.72x = 128,322.76 × 22,363.72
4. Step 4: Simplify right side
   85,543.72x = 2,869,774,274.27
5. Step 5: Solve for x
   x = 2,869,774,274.27/85,543.72
6. Step 6: Final answer
   x = 33,547.46