Finding the Fourth Proportional to 90,544,998.65, 135,726,682.79 and 42,056,906.83

Step by Step Solution

1. Step 1: Write the proportion equation
   90,544,998.65 : 135,726,682.79 = 42,056,906.83 : x
2. Step 2: Convert to fraction form
   90,544,998.65/135,726,682.79 = 42,056,906.83/x
3. Step 3: Cross multiply
   90,544,998.65x = 135,726,682.79 × 42,056,906.83
4. Step 4: Simplify right side
   90,544,998.65x = 5,708,244,452,209,820
5. Step 5: Solve for x
   x = 5,708,244,452,209,820/90,544,998.65
6. Step 6: Final answer
   x = 63,043,177.84