Finding the Fourth Proportional to 139,500.63, 209,277.89 and 59,537.43

Step by Step Solution

1. Step 1: Write the proportion equation
   139,500.63 : 209,277.89 = 59,537.43 : x
2. Step 2: Convert to fraction form
   139,500.63/209,277.89 = 59,537.43/x
3. Step 3: Cross multiply
   139,500.63x = 209,277.89 × 59,537.43
4. Step 4: Simplify right side
   139,500.63x = 12,459,867,428.74
5. Step 5: Solve for x
   x = 12,459,867,428.74/139,500.63
6. Step 6: Final answer
   x = 89,317.64