Finding the Fourth Proportional to 139,388.04, 208,877.94 and 69,127.02

Step by Step Solution

1. Step 1: Write the proportion equation
   139,388.04 : 208,877.94 = 69,127.02 : x
2. Step 2: Convert to fraction form
   139,388.04/208,877.94 = 69,127.02/x
3. Step 3: Cross multiply
   139,388.04x = 208,877.94 × 69,127.02
4. Step 4: Simplify right side
   139,388.04x = 14,439,109,535.94
5. Step 5: Solve for x
   x = 14,439,109,535.94/139,388.04
6. Step 6: Final answer
   x = 103,589.30