Finding the Fourth Proportional to 139,385.03, 209,051.93 and 63,465.57

Step by Step Solution

1. Step 1: Write the proportion equation
   139,385.03 : 209,051.93 = 63,465.57 : x
2. Step 2: Convert to fraction form
   139,385.03/209,051.93 = 63,465.57/x
3. Step 3: Cross multiply
   139,385.03x = 209,051.93 × 63,465.57
4. Step 4: Simplify right side
   139,385.03x = 13,267,600,055.71
5. Step 5: Solve for x
   x = 13,267,600,055.71/139,385.03
6. Step 6: Final answer
   x = 95,186.70