Finding the Fourth Proportional to 42,083.88, 63,136.39 and 12,098.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,083.88 : 63,136.39 = 12,098.17 : x
2. Step 2: Convert to fraction form
   42,083.88/63,136.39 = 12,098.17/x
3. Step 3: Cross multiply
   42,083.88x = 63,136.39 × 12,098.17
4. Step 4: Simplify right side
   42,083.88x = 763,834,561.07
5. Step 5: Solve for x
   x = 763,834,561.07/42,083.88
6. Step 6: Final answer
   x = 18,150.29