Finding the Fourth Proportional to 120,271,468.28, 165,974,627.50 and 65,267,324.78

Step by Step Solution

1. Step 1: Write the proportion equation
   120,271,468.28 : 165,974,627.50 = 65,267,324.78 : x
2. Step 2: Convert to fraction form
   120,271,468.28/165,974,627.50 = 65,267,324.78/x
3. Step 3: Cross multiply
   120,271,468.28x = 165,974,627.50 × 65,267,324.78
4. Step 4: Simplify right side
   120,271,468.28x = 10,832,719,918,282,020
5. Step 5: Solve for x
   x = 10,832,719,918,282,020/120,271,468.28
6. Step 6: Final answer
   x = 90,068,908.89