Finding the Fourth Proportional to 78,077.04, 107,746.35 and 42,267.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,077.04 : 107,746.35 = 42,267.05 : x
2. Step 2: Convert to fraction form
   78,077.04/107,746.35 = 42,267.05/x
3. Step 3: Cross multiply
   78,077.04x = 107,746.35 × 42,267.05
4. Step 4: Simplify right side
   78,077.04x = 4,554,119,665.53
5. Step 5: Solve for x
   x = 4,554,119,665.53/78,077.04
6. Step 6: Final answer
   x = 58,328.54