Finding the Fourth Proportional to 139,118.51, 208,703.72 and 63,222.39

Step by Step Solution

1. Step 1: Write the proportion equation
   139,118.51 : 208,703.72 = 63,222.39 : x
2. Step 2: Convert to fraction form
   139,118.51/208,703.72 = 63,222.39/x
3. Step 3: Cross multiply
   139,118.51x = 208,703.72 × 63,222.39
4. Step 4: Simplify right side
   139,118.51x = 13,194,748,138.35
5. Step 5: Solve for x
   x = 13,194,748,138.35/139,118.51
6. Step 6: Final answer
   x = 94,845.38