Finding the Fourth Proportional to 102,221.82, 141,066.09 and 56,898.82

Step by Step Solution

1. Step 1: Write the proportion equation
   102,221.82 : 141,066.09 = 56,898.82 : x
2. Step 2: Convert to fraction form
   102,221.82/141,066.09 = 56,898.82/x
3. Step 3: Cross multiply
   102,221.82x = 141,066.09 × 56,898.82
4. Step 4: Simplify right side
   102,221.82x = 8,026,494,063.01
5. Step 5: Solve for x
   x = 8,026,494,063.01/102,221.82
6. Step 6: Final answer
   x = 78,520.36