Finding the Fourth Proportional to 139,245,280.88, 192,163,673.48 and 83,499,777.18

Step by Step Solution

1. Step 1: Write the proportion equation
   139,245,280.88 : 192,163,673.48 = 83,499,777.18 : x
2. Step 2: Convert to fraction form
   139,245,280.88/192,163,673.48 = 83,499,777.18/x
3. Step 3: Cross multiply
   139,245,280.88x = 192,163,673.48 × 83,499,777.18
4. Step 4: Simplify right side
   139,245,280.88x = 16,045,623,917,252,778
5. Step 5: Solve for x
   x = 16,045,623,917,252,778/139,245,280.88
6. Step 6: Final answer
   x = 115,232,802.26