Finding the Fourth Proportional to 308,853,450.72, 463,279,804.20 and 78,822,559.98

Step by Step Solution

1. Step 1: Write the proportion equation
   308,853,450.72 : 463,279,804.20 = 78,822,559.98 : x
2. Step 2: Convert to fraction form
   308,853,450.72/463,279,804.20 = 78,822,559.98/x
3. Step 3: Cross multiply
   308,853,450.72x = 463,279,804.20 × 78,822,559.98
4. Step 4: Simplify right side
   308,853,450.72x = 36,516,900,154,077,160
5. Step 5: Solve for x
   x = 36,516,900,154,077,160/308,853,450.72
6. Step 6: Final answer
   x = 118,233,745.06