Finding the Fourth Proportional to 69,947.16, 104,881.86 and 28,345.56

Step by Step Solution

1. Step 1: Write the proportion equation
   69,947.16 : 104,881.86 = 28,345.56 : x
2. Step 2: Convert to fraction form
   69,947.16/104,881.86 = 28,345.56/x
3. Step 3: Cross multiply
   69,947.16x = 104,881.86 × 28,345.56
4. Step 4: Simplify right side
   69,947.16x = 2,972,935,055.54
5. Step 5: Solve for x
   x = 2,972,935,055.54/69,947.16
6. Step 6: Final answer
   x = 42,502.58