Finding the Fourth Proportional to 118,841,280.56, 163,992,755.88 and 65,912,993.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,841,280.56 : 163,992,755.88 = 65,912,993.84 : x
2. Step 2: Convert to fraction form
   118,841,280.56/163,992,755.88 = 65,912,993.84/x
3. Step 3: Cross multiply
   118,841,280.56x = 163,992,755.88 × 65,912,993.84
4. Step 4: Simplify right side
   118,841,280.56x = 10,809,253,508,123,064
5. Step 5: Solve for x
   x = 10,809,253,508,123,064/118,841,280.56
6. Step 6: Final answer
   x = 90,955,377.27