Finding the Fourth Proportional to 118,052,611.82, 162,912,821.70 and 65,845,012.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,052,611.82 : 162,912,821.70 = 65,845,012.56 : x
2. Step 2: Convert to fraction form
   118,052,611.82/162,912,821.70 = 65,845,012.56/x
3. Step 3: Cross multiply
   118,052,611.82x = 162,912,821.70 × 65,845,012.56
4. Step 4: Simplify right side
   118,052,611.82x = 10,726,996,791,021,540
5. Step 5: Solve for x
   x = 10,726,996,791,021,540/118,052,611.82
6. Step 6: Final answer
   x = 90,866,238.59