Finding the Fourth Proportional to 120,294,419.99, 165,977,847.27 and 68,083,455.78

Step by Step Solution

1. Step 1: Write the proportion equation
   120,294,419.99 : 165,977,847.27 = 68,083,455.78 : x
2. Step 2: Convert to fraction form
   120,294,419.99/165,977,847.27 = 68,083,455.78/x
3. Step 3: Cross multiply
   120,294,419.99x = 165,977,847.27 × 68,083,455.78
4. Step 4: Simplify right side
   120,294,419.99x = 11,300,345,425,066,640
5. Step 5: Solve for x
   x = 11,300,345,425,066,640/120,294,419.99
6. Step 6: Final answer
   x = 93,939,065.72