Finding the Fourth Proportional to 119,928,616.29, 165,501,863.15 and 64,924,341.57

Step by Step Solution

1. Step 1: Write the proportion equation
   119,928,616.29 : 165,501,863.15 = 64,924,341.57 : x
2. Step 2: Convert to fraction form
   119,928,616.29/165,501,863.15 = 64,924,341.57/x
3. Step 3: Cross multiply
   119,928,616.29x = 165,501,863.15 × 64,924,341.57
4. Step 4: Simplify right side
   119,928,616.29x = 10,745,099,493,297,376
5. Step 5: Solve for x
   x = 10,745,099,493,297,376/119,928,616.29
6. Step 6: Final answer
   x = 89,595,793.11