Finding the Fourth Proportional to 119,874,746.88, 165,427,145.28 and 64,870,604.88

Step by Step Solution

1. Step 1: Write the proportion equation
   119,874,746.88 : 165,427,145.28 = 64,870,604.88 : x
2. Step 2: Convert to fraction form
   119,874,746.88/165,427,145.28 = 64,870,604.88/x
3. Step 3: Cross multiply
   119,874,746.88x = 165,427,145.28 × 64,870,604.88
4. Step 4: Simplify right side
   119,874,746.88x = 10,731,358,977,885,238
5. Step 5: Solve for x
   x = 10,731,358,977,885,238/119,874,746.88
6. Step 6: Final answer
   x = 89,521,431.80