Finding the Fourth Proportional to 78,047.56, 107,705.98 and 42,237.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,047.56 : 107,705.98 = 42,237.58 : x
2. Step 2: Convert to fraction form
   78,047.56/107,705.98 = 42,237.58/x
3. Step 3: Cross multiply
   78,047.56x = 107,705.98 × 42,237.58
4. Step 4: Simplify right side
   78,047.56x = 4,549,239,197.01
5. Step 5: Solve for x
   x = 4,549,239,197.01/78,047.56
6. Step 6: Final answer
   x = 58,288.04