Finding the Fourth Proportional to 312,005.39, 468,077.94 and 98,785.98

Step by Step Solution

1. Step 1: Write the proportion equation
   312,005.39 : 468,077.94 = 98,785.98 : x
2. Step 2: Convert to fraction form
   312,005.39/468,077.94 = 98,785.98/x
3. Step 3: Cross multiply
   312,005.39x = 468,077.94 × 98,785.98
4. Step 4: Simplify right side
   312,005.39x = 46,239,538,019.28
5. Step 5: Solve for x
   x = 46,239,538,019.28/312,005.39
6. Step 6: Final answer
   x = 148,201.09