Finding the Fourth Proportional to 193,697.59, 267,300.78 and 107,656.76

Step by Step Solution

1. Step 1: Write the proportion equation
   193,697.59 : 267,300.78 = 107,656.76 : x
2. Step 2: Convert to fraction form
   193,697.59/267,300.78 = 107,656.76/x
3. Step 3: Cross multiply
   193,697.59x = 267,300.78 × 107,656.76
4. Step 4: Simplify right side
   193,697.59x = 28,776,735,920.27
5. Step 5: Solve for x
   x = 28,776,735,920.27/193,697.59
6. Step 6: Final answer
   x = 148,565.28