Finding the Fourth Proportional to 102,044.98, 140,823.76 and 56,106.56

Step by Step Solution

1. Step 1: Write the proportion equation
   102,044.98 : 140,823.76 = 56,106.56 : x
2. Step 2: Convert to fraction form
   102,044.98/140,823.76 = 56,106.56/x
3. Step 3: Cross multiply
   102,044.98x = 140,823.76 × 56,106.56
4. Step 4: Simplify right side
   102,044.98x = 7,901,137,127.69
5. Step 5: Solve for x
   x = 7,901,137,127.69/102,044.98
6. Step 6: Final answer
   x = 77,427.99