Finding the Fourth Proportional to 138,123.82, 207,144.82 and 59,219.29

Step by Step Solution

1. Step 1: Write the proportion equation
   138,123.82 : 207,144.82 = 59,219.29 : x
2. Step 2: Convert to fraction form
   138,123.82/207,144.82 = 59,219.29/x
3. Step 3: Cross multiply
   138,123.82x = 207,144.82 × 59,219.29
4. Step 4: Simplify right side
   138,123.82x = 12,266,969,167.58
5. Step 5: Solve for x
   x = 12,266,969,167.58/138,123.82
6. Step 6: Final answer
   x = 88,811.40