Finding the Fourth Proportional to 101,435,994.50, 139,984,796.46 and 57,382,109.78

Step by Step Solution

1. Step 1: Write the proportion equation
   101,435,994.50 : 139,984,796.46 = 57,382,109.78 : x
2. Step 2: Convert to fraction form
   101,435,994.50/139,984,796.46 = 57,382,109.78/x
3. Step 3: Cross multiply
   101,435,994.50x = 139,984,796.46 × 57,382,109.78
4. Step 4: Simplify right side
   101,435,994.50x = 8,032,622,957,298,752
5. Step 5: Solve for x
   x = 8,032,622,957,298,752/101,435,994.50
6. Step 6: Final answer
   x = 79,189,078.76