Finding the Fourth Proportional to 78,746.04, 108,667.32 and 42,936.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,746.04 : 108,667.32 = 42,936.72 : x
2. Step 2: Convert to fraction form
   78,746.04/108,667.32 = 42,936.72/x
3. Step 3: Cross multiply
   78,746.04x = 108,667.32 × 42,936.72
4. Step 4: Simplify right side
   78,746.04x = 4,665,818,291.99
5. Step 5: Solve for x
   x = 4,665,818,291.99/78,746.04
6. Step 6: Final answer
   x = 59,251.47