Finding the Fourth Proportional to 56,872.16, 78,499.20 and 33,006.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,872.16 : 78,499.20 = 33,006.52 : x
2. Step 2: Convert to fraction form
   56,872.16/78,499.20 = 33,006.52/x
3. Step 3: Cross multiply
   56,872.16x = 78,499.20 × 33,006.52
4. Step 4: Simplify right side
   56,872.16x = 2,590,985,414.78
5. Step 5: Solve for x
   x = 2,590,985,414.78/56,872.16
6. Step 6: Final answer
   x = 45,558.06