Finding the Fourth Proportional to 107,104.86, 147,823 and 61,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,104.86 : 147,823 = 61,774.72 : x
2. Step 2: Convert to fraction form
   107,104.86/147,823 = 61,774.72/x
3. Step 3: Cross multiply
   107,104.86x = 147,823 × 61,774.72
4. Step 4: Simplify right side
   107,104.86x = 9,131,724,434.56
5. Step 5: Solve for x
   x = 9,131,724,434.56/107,104.86
6. Step 6: Final answer
   x = 85,259.66