Finding the Fourth Proportional to 68,091.72, 102,088.38 and 45,849.96

Step by Step Solution

1. Step 1: Write the proportion equation
   68,091.72 : 102,088.38 = 45,849.96 : x
2. Step 2: Convert to fraction form
   68,091.72/102,088.38 = 45,849.96/x
3. Step 3: Cross multiply
   68,091.72x = 102,088.38 × 45,849.96
4. Step 4: Simplify right side
   68,091.72x = 4,680,748,139.46
5. Step 5: Solve for x
   x = 4,680,748,139.46/68,091.72
6. Step 6: Final answer
   x = 68,741.81