Finding the Fourth Proportional to 119,584,055.19, 165,025,994.82 and 64,579,911.69

Step by Step Solution

1. Step 1: Write the proportion equation
   119,584,055.19 : 165,025,994.82 = 64,579,911.69 : x
2. Step 2: Convert to fraction form
   119,584,055.19/165,025,994.82 = 64,579,911.69/x
3. Step 3: Cross multiply
   119,584,055.19x = 165,025,994.82 × 64,579,911.69
4. Step 4: Simplify right side
   119,584,055.19x = 10,657,364,171,660,516
5. Step 5: Solve for x
   x = 10,657,364,171,660,516/119,584,055.19
6. Step 6: Final answer
   x = 89,120,277.41