Finding the Fourth Proportional to 165,949,851.81, 229,004,794.71 and 91,608,818.07

Step by Step Solution

1. Step 1: Write the proportion equation
   165,949,851.81 : 229,004,794.71 = 91,608,818.07 : x
2. Step 2: Convert to fraction form
   165,949,851.81/229,004,794.71 = 91,608,818.07/x
3. Step 3: Cross multiply
   165,949,851.81x = 229,004,794.71 × 91,608,818.07
4. Step 4: Simplify right side
   165,949,851.81x = 20,978,858,575,746,088
5. Step 5: Solve for x
   x = 20,978,858,575,746,088/165,949,851.81
6. Step 6: Final answer
   x = 126,416,856.34