Finding the Fourth Proportional to 139,959,343.37, 193,143,976.99 and 78,079,682.00

Step by Step Solution

1. Step 1: Write the proportion equation
   139,959,343.37 : 193,143,976.99 = 78,079,682.00 : x
2. Step 2: Convert to fraction form
   139,959,343.37/193,143,976.99 = 78,079,682.00/x
3. Step 3: Cross multiply
   139,959,343.37x = 193,143,976.99 × 78,079,682.00
4. Step 4: Simplify right side
   139,959,343.37x = 15,080,620,302,433,600
5. Step 5: Solve for x
   x = 15,080,620,302,433,600/139,959,343.37
6. Step 6: Final answer
   x = 107,750,007.54