Finding the Fourth Proportional to 117,422,259.72, 162,038,273.76 and 65,214,656.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,422,259.72 : 162,038,273.76 = 65,214,656.88 : x
2. Step 2: Convert to fraction form
   117,422,259.72/162,038,273.76 = 65,214,656.88/x
3. Step 3: Cross multiply
   117,422,259.72x = 162,038,273.76 × 65,214,656.88
4. Step 4: Simplify right side
   117,422,259.72x = 10,567,270,424,685,908
5. Step 5: Solve for x
   x = 10,567,270,424,685,908/117,422,259.72
6. Step 6: Final answer
   x = 89,993,758.00