Finding the Fourth Proportional to 108,660,978.18, 149,938,539.84 and 73,455,383.75

Step by Step Solution

1. Step 1: Write the proportion equation
   108,660,978.18 : 149,938,539.84 = 73,455,383.75 : x
2. Step 2: Convert to fraction form
   108,660,978.18/149,938,539.84 = 73,455,383.75/x
3. Step 3: Cross multiply
   108,660,978.18x = 149,938,539.84 × 73,455,383.75
4. Step 4: Simplify right side
   108,660,978.18x = 11,013,792,982,112,172
5. Step 5: Solve for x
   x = 11,013,792,982,112,172/108,660,978.18
6. Step 6: Final answer
   x = 101,359,229.10