Finding the Fourth Proportional to 139,061,492.82, 191,928,610.35 and 80,313,598.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,061,492.82 : 191,928,610.35 = 80,313,598.98 : x
2. Step 2: Convert to fraction form
   139,061,492.82/191,928,610.35 = 80,313,598.98/x
3. Step 3: Cross multiply
   139,061,492.82x = 191,928,610.35 × 80,313,598.98
4. Step 4: Simplify right side
   139,061,492.82x = 15,414,477,444,438,578
5. Step 5: Solve for x
   x = 15,414,477,444,438,578/139,061,492.82
6. Step 6: Final answer
   x = 110,846,483.32