Finding the Fourth Proportional to 78,826.43, 108,726.32 and 46,970.75

Step by Step Solution

1. Step 1: Write the proportion equation
   78,826.43 : 108,726.32 = 46,970.75 : x
2. Step 2: Convert to fraction form
   78,826.43/108,726.32 = 46,970.75/x
3. Step 3: Cross multiply
   78,826.43x = 108,726.32 × 46,970.75
4. Step 4: Simplify right side
   78,826.43x = 5,106,956,560.29
5. Step 5: Solve for x
   x = 5,106,956,560.29/78,826.43
6. Step 6: Final answer
   x = 64,787.36