Finding the Fourth Proportional to 103,719.86, 155,527.63 and 60,456.71

Step by Step Solution

1. Step 1: Write the proportion equation
   103,719.86 : 155,527.63 = 60,456.71 : x
2. Step 2: Convert to fraction form
   103,719.86/155,527.63 = 60,456.71/x
3. Step 3: Cross multiply
   103,719.86x = 155,527.63 × 60,456.71
4. Step 4: Simplify right side
   103,719.86x = 9,402,689,061.57
5. Step 5: Solve for x
   x = 9,402,689,061.57/103,719.86
6. Step 6: Final answer
   x = 90,654.67