Finding the Fourth Proportional to 132,480,705.94, 198,806,088.87 and 64,286,196.82

Step by Step Solution

1. Step 1: Write the proportion equation
   132,480,705.94 : 198,806,088.87 = 64,286,196.82 : x
2. Step 2: Convert to fraction form
   132,480,705.94/198,806,088.87 = 64,286,196.82/x
3. Step 3: Cross multiply
   132,480,705.94x = 198,806,088.87 × 64,286,196.82
4. Step 4: Simplify right side
   132,480,705.94x = 12,780,487,358,111,232
5. Step 5: Solve for x
   x = 12,780,487,358,111,232/132,480,705.94
6. Step 6: Final answer
   x = 96,470,555.98