Finding the Fourth Proportional to 139,095.88, 208,405.47 and 93,417.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,095.88 : 208,405.47 = 93,417.96 : x
2. Step 2: Convert to fraction form
   139,095.88/208,405.47 = 93,417.96/x
3. Step 3: Cross multiply
   139,095.88x = 208,405.47 × 93,417.96
4. Step 4: Simplify right side
   139,095.88x = 19,468,813,339.23
5. Step 5: Solve for x
   x = 19,468,813,339.23/139,095.88
6. Step 6: Final answer
   x = 139,966.86