Finding the Fourth Proportional to 139,042.61, 208,624.03 and 59,098.14

Step by Step Solution

1. Step 1: Write the proportion equation
   139,042.61 : 208,624.03 = 59,098.14 : x
2. Step 2: Convert to fraction form
   139,042.61/208,624.03 = 59,098.14/x
3. Step 3: Cross multiply
   139,042.61x = 208,624.03 × 59,098.14
4. Step 4: Simplify right side
   139,042.61x = 12,329,291,984.56
5. Step 5: Solve for x
   x = 12,329,291,984.56/139,042.61
6. Step 6: Final answer
   x = 88,672.76