Finding the Fourth Proportional to 117,687,200.38, 162,409,823.88 and 64,769,998.79

Step by Step Solution

1. Step 1: Write the proportion equation
   117,687,200.38 : 162,409,823.88 = 64,769,998.79 : x
2. Step 2: Convert to fraction form
   117,687,200.38/162,409,823.88 = 64,769,998.79/x
3. Step 3: Cross multiply
   117,687,200.38x = 162,409,823.88 × 64,769,998.79
4. Step 4: Simplify right side
   117,687,200.38x = 10,519,284,096,191,712
5. Step 5: Solve for x
   x = 10,519,284,096,191,712/117,687,200.38
6. Step 6: Final answer
   x = 89,383,416.91