Finding the Fourth Proportional to 120,077,589.36, 165,707,214.98 and 65,073,445.86

Step by Step Solution

1. Step 1: Write the proportion equation
   120,077,589.36 : 165,707,214.98 = 65,073,445.86 : x
2. Step 2: Convert to fraction form
   120,077,589.36/165,707,214.98 = 65,073,445.86/x
3. Step 3: Cross multiply
   120,077,589.36x = 165,707,214.98 × 65,073,445.86
4. Step 4: Simplify right side
   120,077,589.36x = 10,783,139,482,287,044
5. Step 5: Solve for x
   x = 10,783,139,482,287,044/120,077,589.36
6. Step 6: Final answer
   x = 89,801,432.06