Finding the Fourth Proportional to 107,085.35, 147,778.66 and 59,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,085.35 : 147,778.66 = 59,339.50 : x
2. Step 2: Convert to fraction form
   107,085.35/147,778.66 = 59,339.50/x
3. Step 3: Cross multiply
   107,085.35x = 147,778.66 × 59,339.50
4. Step 4: Simplify right side
   107,085.35x = 8,769,111,499.80
5. Step 5: Solve for x
   x = 8,769,111,499.80/107,085.35
6. Step 6: Final answer
   x = 81,888.99