Finding the Fourth Proportional to 107,026.31, 147,700.41 and 59,278.64

Step by Step Solution

1. Step 1: Write the proportion equation
   107,026.31 : 147,700.41 = 59,278.64 : x
2. Step 2: Convert to fraction form
   107,026.31/147,700.41 = 59,278.64/x
3. Step 3: Cross multiply
   107,026.31x = 147,700.41 × 59,278.64
4. Step 4: Simplify right side
   107,026.31x = 8,755,478,804.89
5. Step 5: Solve for x
   x = 8,755,478,804.89/107,026.31
6. Step 6: Final answer
   x = 81,806.79