Finding the Fourth Proportional to 107,407.89, 147,907.89 and 98,426.61

Step by Step Solution

1. Step 1: Write the proportion equation
   107,407.89 : 147,907.89 = 98,426.61 : x
2. Step 2: Convert to fraction form
   107,407.89/147,907.89 = 98,426.61/x
3. Step 3: Cross multiply
   107,407.89x = 147,907.89 × 98,426.61
4. Step 4: Simplify right side
   107,407.89x = 14,558,072,204.95
5. Step 5: Solve for x
   x = 14,558,072,204.95/107,407.89
6. Step 6: Final answer
   x = 135,540.06