Finding the Fourth Proportional to 117,422,261.72, 162,038,276.52 and 65,214,658.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,422,261.72 : 162,038,276.52 = 65,214,658.88 : x
2. Step 2: Convert to fraction form
   117,422,261.72/162,038,276.52 = 65,214,658.88/x
3. Step 3: Cross multiply
   117,422,261.72x = 162,038,276.52 × 65,214,658.88
4. Step 4: Simplify right side
   117,422,261.72x = 10,567,270,928,754,914
5. Step 5: Solve for x
   x = 10,567,270,928,754,914/117,422,261.72
6. Step 6: Final answer
   x = 89,993,760.76