Finding the Fourth Proportional to 117,731,269.69, 162,467,565.23 and 65,520,291.51

Step by Step Solution

1. Step 1: Write the proportion equation
   117,731,269.69 : 162,467,565.23 = 65,520,291.51 : x
2. Step 2: Convert to fraction form
   117,731,269.69/162,467,565.23 = 65,520,291.51/x
3. Step 3: Cross multiply
   117,731,269.69x = 162,467,565.23 × 65,520,291.51
4. Step 4: Simplify right side
   117,731,269.69x = 10,644,922,234,953,340
5. Step 5: Solve for x
   x = 10,644,922,234,953,340/117,731,269.69
6. Step 6: Final answer
   x = 90,417,119.12