Finding the Fourth Proportional to 107,131.96, 147,832.82 and 61,191.37

Step by Step Solution

1. Step 1: Write the proportion equation
   107,131.96 : 147,832.82 = 61,191.37 : x
2. Step 2: Convert to fraction form
   107,131.96/147,832.82 = 61,191.37/x
3. Step 3: Cross multiply
   107,131.96x = 147,832.82 × 61,191.37
4. Step 4: Simplify right side
   107,131.96x = 9,046,092,786.76
5. Step 5: Solve for x
   x = 9,046,092,786.76/107,131.96
6. Step 6: Final answer
   x = 84,438.79