Finding the Fourth Proportional to 107,131.68, 147,826.18 and 59,385

Step by Step Solution

1. Step 1: Write the proportion equation
   107,131.68 : 147,826.18 = 59,385 : x
2. Step 2: Convert to fraction form
   107,131.68/147,826.18 = 59,385/x
3. Step 3: Cross multiply
   107,131.68x = 147,826.18 × 59,385
4. Step 4: Simplify right side
   107,131.68x = 8,778,657,699.30
5. Step 5: Solve for x
   x = 8,778,657,699.30/107,131.68
6. Step 6: Final answer
   x = 81,942.69