Finding the Fourth Proportional to 118,698,912.69, 163,805,461.28 and 65,776,504.34

Step by Step Solution

1. Step 1: Write the proportion equation
   118,698,912.69 : 163,805,461.28 = 65,776,504.34 : x
2. Step 2: Convert to fraction form
   118,698,912.69/163,805,461.28 = 65,776,504.34/x
3. Step 3: Cross multiply
   118,698,912.69x = 163,805,461.28 × 65,776,504.34
4. Step 4: Simplify right side
   118,698,912.69x = 10,774,550,634,470,740
5. Step 5: Solve for x
   x = 10,774,550,634,470,740/118,698,912.69
6. Step 6: Final answer
   x = 90,772,108.95